which of the following is true about network security

It is a kind of wall built to prevent files form damaging the corporate. Explanation: DDoS (or denial of service), malware, drive-by downloads, phishing and password attacks are all some common and famous types of cyber-attacks used by hackers. Explanation: Data integrity guarantees that the message was not altered in transit. What are the three components of an STP bridge ID? All rights reserved. A network analyst is configuring a site-to-site IPsec VPN. 26. The firewall will automatically drop all HTTP, HTTPS, and FTP traffic. It allows for the transmission of keys directly across a network. When a computer sends data over the Internet, the data is grouped into a single packet. Also, an IDS often requires assistance from other networking devices, such as routers and firewalls, to respond to an attack. However, connections initiated from outside hosts are not allowed. The analyst has just downloaded and installed the Snort OVA file. Software-defined segmentation puts network traffic into different classifications and makesenforcing security policieseasier. ), 145. 1) In which of the following, a person is constantly followed/chased by another person or group of several peoples? C. What are three characteristics of ASA transparent mode? It uses a proxy server to connect to remote servers on behalf of clients. 51) Which one of the following systems cannot be considered as an example of the operating systems? Syslog does not authenticate or encrypt messages. Explanation: Application security, operational security, network security all are the main and unforgettable elements of Cyber Security. ), access-list 3 permit 192.168.10.128 0.0.0.63, access-list 1 permit 192.168.10.0 0.0.0.127, access-list 4 permit 192.168.10.0 0.0.0.255, access-list 2 permit host 192.168.10.9access-list 2 permit host 192.168.10.69, access-list 5 permit 192.168.10.0 0.0.0.63access-list 5 permit 192.168.10.64 0.0.0.63. 74. Which statement is true about the effect of this Cisco IOS zone-based policy firewall configuration? Explanation: A wildcard mask uses 0s to indicate that bits must match. What functionality is provided by Cisco SPAN in a switched network? ): Explanation: ACLs are used to filter traffic to determine which packets will be permitted or denied through the router and which packets will be subject to policy-based routing. Each building block performs a specific securty function via specific protocols. 92. Explanation: There are various network security tools available for network security testing and evaluation. Explanation: The buffer overflow and ping of death DoS attacks exploit system memory-related flaws on a server by sending an unexpected amount of data or malformed data to the server. What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network? The first 28 bits of a supplied IP address will be matched. Complex text 40) Which one of the following statements is correct about Email security in the network security methods? A security policy requiring passwords to be changed in a predefined interval further defend against the brute-force attacks. Explanation: An application gateway firewall, also called a proxy firewall, filters information at Layers 3, 4, 5, and 7 of the OSI model. Cyber Stalking is a type of cybercrime in which a person (or victim) is being followed continuously by another person or group of several people through electronic means to harass the victim. Every organization, regardless of size, industry or infrastructure, requires a degree of network security solutionsin place to protect it from the ever-growing landscape of cyber threats in the wild today. (Choose two.). All login attempts will be blocked for 1.5 hours if there are 4 failed attempts within 150 seconds. Without stringent security measures, installing a wireless LAN can be like putting Ethernet ports everywhere, including the parking lot. Which of these is a part of network identification? Refer to the exhibit. It allows you to radically reduce dwell time and human-powered tasks. Cyber criminals use hacking to obtain financial gain by illegal means. Authorization is concerned with allowing and disallowing authenticated users access to certain areas and programs on the network. uses legal terminology to protect the organization, Frequent heavy drinking is defined as: A company has a file server that shares a folder named Public. What is the effect of applying this access list command? )if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'itexamanswers_net-medrectangle-3','ezslot_10',167,'0','0'])};__ez_fad_position('div-gpt-ad-itexamanswers_net-medrectangle-3-0'); 2. Although it shares some common features with the router IOS, it has its unique features. A network administrator configures AAA authentication on R1. Another important thing about Trojans is that the user may not know that the malware enters their system until the Trojan starts doing its job for which they are programmed. Explanation: OOB management provides a dedicated management network without production traffic. Which rule action will cause Snort IPS to block and log a packet? B. It removes private addresses when the packet leaves the network Create a firewall rule blocking the respective website. Explanation: In order to explicitly permit traffic from an interface with a lower security level to an interface with a higher security level, an ACL must be configured. B. 15. 3. Use the login local command for authenticating user access. A network technician has been asked to design a virtual private network between two branch routers. B. The code has not been modified since it left the software publisher. A CLI view has a command hierarchy, with higher and lower views. Forcepoint offers a suite of network security solutions that centralize and simplify what are often complex processes and ensure robust network security is in place across your enterprise. The content is stored permanently and even the power supply is switched off.C. It involves creating a secure infrastructure for devices, applications, users, and applications to work in a secure manner. ACLs provide network traffic filtering but not encryption. Digitization has transformed our world. 9. (Choose three.). Many home users share two common misconceptions about the security of their networks: Home Network Security | Refer to the exhibit. Firewalls. The main reason why these types of viruses are referred to as the Trojans is the mythological story of the Greeks. Explanation: Cyber Ethics refers to exploring the appropriate, ethical behaviors related to online environments and digital media. Explanation: Many network attacks can be prevented by sharing information about indicators of compromise (IOC). 23. 65. The direction in which the traffic is examined (in or out) is also required. There is a mismatch between the transform sets. What action will occur when PC1 is attached to switch S1 with the applied configuration? Therefore, the uplink interface that connects to a router should be a trusted port for forwarding ARP requests. Which conclusion can be made from the show crypto map command output that is shown on R1? A stateful firewall will provide more logging information than a packet filtering firewall. Explanation: To address the interoperability of different PKI vendors, IETF published the Internet X.509 Public Key Infrastructure Certificate Policy and Certification Practices Framework (RFC 2527). ), Match each SNMP operation to the corresponding description. What would be the primary reason an attacker would launch a MAC address overflow attack? What are two security measures used to protect endpoints in the borderless network? Which of the following are the solutions to network security? Place extended ACLs close to the destination IP address of the traffic. (Choose three.). Ethernet is a transport layer protocol. Ideally, the classifications are based on endpoint identity, not mere IP addresses. 8) Which of the following refers to stealing one's idea or invention of others and use it for their own benefits? This message indicates that the interface should be replaced. 45. It is a type of device that helps to ensure that communication between a device and a network Explanation: The disadvantage of operating with mirrored traffic is that the IDS cannot stop malicious single-packet attacks from reaching the target before responding to the attack. You have purchased a network-based IDS. In Short, these three principles are also known as the CIA triad and plays a vital role as the cornerstone of the security structure of any organization. Reimagine the firewall with Cisco SecureX (video 1:55), Explore VPN and endpoint security clients, Cisco Aironet AP Module for Wireless Security. Firewalls, as their name suggests, act as a barrier between the untrusted external networks and your trusted internal network. 46) Which of the following statements is true about the Trojans? This traffic is permitted with little or no restriction. D. Nm$^2$. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and network administrators to implement the following recommendations to better secure their network infrastructure: Segment and segregate networks and functions. During the second phase IKE negotiates security associations between the peers. WebNetwork security is a broad term that covers a multitude of technologies, devices and processes. Which two conclusions can be drawn from the syslog message that was generated by the router? Frames from PC1 will be dropped, and there will be no log of the violation. It can be possible that in some cases, hacking a computer or network can be legal. It's primary goal is to invade your privacy by monitoring your system and reporting your activities to advertisers and spammers. B. 78. A corporate network is using NTP to synchronize the time across devices. There are several kinds of antivirus software are available in the market, such as Kaspersky, Mcafee, Quick Heal, Norton etc., so the correct answer is D. 7) It can be a software program or a hardware device that filters all data packets coming through the internet, a network, etc. Words of the message are substituted based on a predetermined pattern. (Choose two.). What is the most important characteristic of an effective security goal? Which protocol works by establishing an association between two communicating devices and can use a preshared key for authentication? Which standard feature on NTFS-formatted disks encrypts individual files and uses a certificate matching the user account of the user who encrypted the file? ), 33What are two differences between stateful and packet filtering firewalls? Refer to the exhibit. Modules 1 - 4: Securing Networks Group Exam Answers, Modules 5 - 7: Monitoring and Managing Devices Group Exam Answers, Modules 8 - 10: ACLs and Firewalls Group Exam Answers, Modules 11 - 12: Intrusion Prevention Group Exam Answers, Modules 13 - 14: Layer 2 and Endpoint Security Group Exam Answers, Modules 15 - 17: Cryptography Group Exam Answers, Network Security (Version1.0) Modules 13 14: Layer 2 and Endpoint Security Group Test Online, 4.4.7 Lab Configure Secure Administrative Access Answers, Modules 15 17: Cryptography Group Exam Answers Full, 6.5.6 Check Your Understanding Syslog Operation Answers, 9.2.4 Packet Tracer Identify Packet Flow Answers, 15.4.4 Check Your Understanding Cryptology Terminology Answers, 6.2.7 Lab Configure Automated Security Features Answers, 14.1.3 Check Your Understanding Identify Layer 2 Threats and Mitigation Measures Answers, 7.2.6 Packet Tracer Configure Local AAA for Console and VTY Access Answers, 16.1.5 Lab Implement IPsec VTI Site-to-Site VPNs (Answers). 95. Match the security technology with the description. Password Traffic from the less secure interfaces is blocked from accessing more secure interfaces. Limit unnecessary lateral communications. No packets have matched the ACL statements yet. Describe the purpose of a protocol analyzer and how an attacker could use one to compromise your network. Traffic originating from the inside network going to the DMZ network is selectively permitted. Which command should be used on the uplink interface that connects to a router? Which of the following is not an example of Administrative security controls consist of security policies and processes that control user behavior, including how users are authenticated, their level of access and also how IT staff members implement changes to the infrastructure. Verify that the security feature is enabled in the IOS. Which statement is a feature of HMAC? Which command is used to activate an IPv6 ACL named ENG_ACL on an interface so that the router filters traffic prior to accessing the routing table? IOCs can be identifying features of malware files, IP addresses of servers that are used in the attack, filenames, and characteristic changes made to end system software. D. Scalar text. A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. 4. As a philosophy, it complements Administrators typically configure a set of defined rules that blocks or permits traffic onto the network. Every organization that wants to deliver the services that customers and employees demand must protect its network. 4. However, the CSS (or Content Scrambling System) and DVD Player are both examples of open design. Configure the hash as SHA and the authentication as pre-shared. RADIUS offers the expedited service and more comprehensive accounting desired by remote-access providers but provides lower security and less potential for customization than TACACS+. 12) Which one of the following refers to the technique used for verifying the integrity of the message? Protocol uses Telnet, HTTP. Get top rated network security from Forcepoint's industry leading NGFW. 54. Decrease the wireless antenna gain level. 138. A tool that authenticates the communication between a device and a secure network "Web security" also refers to the steps you take to protect your own website. What AAA function is at work if this command is rejected? Explanation: Traffic that originates within a router such as pings from a command prompt, remote access from a router to another device, or routing updates are not affected by outbound access lists. "Malware," short for "malicious software," includes viruses, worms, Trojans, ransomware, and spyware. In an AAA-enabled network, a user issues the configure terminal command from the privileged executive mode of operation. R1 will open a separate connection to the TACACS+ server for each user authentication session. Port security has been configured on the Fa 0/12 interface of switch S1. the source IP address of the client traffic, the destination port number of the client traffic, the source port number of the client traffic, a server without all security patches applied, creating hashing codes to authenticate data, creating transposition and substitution ciphers, aaa authentication dot1x default group radius. Explanation: Traffic originating from the public network and traveling toward the DMZ is selectively permitted and inspected. What is the function of a hub-and-spoke WAN topology? 79. 35. Grace acted as a trail blazer launching a technology focused business in 1983. Network firewall filter traffic between two or more networks while host Disabling DTP and configuring user-facing ports as static access ports can help prevent these types of attacks. (Choose two.). address 64.100.0.2R2(config)# crypto isakmp key 5tayout! The analyst has configured both the ISAKMP and IPsec policies. These products come in various forms, including physical and virtual appliances and server software. What functionality is provided by Cisco SPAN in a switched network? unavailable for its intended users. A DoS attack ties up network bandwidth or services, rendering resources useless to legitimate users. Use VLAN 1 as the native VLAN on trunk ports. Which protocol or measure should be used to mitigate the vulnerability of using FTP to transfer documents between a teleworker and the company file server? To ensure that potential attackers cannot infiltrate your network, comprehensive access control policies need to be in place for both users and devices. A virus focuses on gaining privileged access to a device, whereas a worm does not. 42. 39. Network scanning is used to discover available resources on the network. It defines the default ISAKMP policy list used to establish the IKE Phase 1 tunnel. Traffic from the Internet and DMZ can access the LAN. By default, they allow traffic from more secure interfaces (higher security level) to access less secure interfaces (lower security level). A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. The date and time displayed at the beginning of the message indicates that service timestamps have been configured on the router. An IPS provides more security than an The firewall will automatically allow HTTP, HTTPS, and FTP traffic from g0/0 to s0/0/0, but will not track the state of connections. Features of CHAP: plaintext, memorized token. Which VPN implementation typically needs no additional firewall configuration to be allowed access through the firewall? The MD5 message digest algorithm is still widely in use. return traffic to be permitted through the firewall in the opposite direction. The algorithm used is called cipher. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from s0/0/0 to g0/0 and will track the connections. ), * remote access VPNLayer 3 MPLS VPN* site-to-site VPNLayer 2 MPLS VPNFrame Relay, the date and time that the switch was brought online* the MAC address of the switchthe IP address of the management VLANthe hostname of the switch* the bridge priority value* the extended system ID, Which portion of the Snort IPS rule header identifies the destination port? A network administrator is configuring DAI on a switch. This code is changed every day. Man-in-the-middle and brute force attacks are both examples of access attacks, and a SYN flood is an example of a denial of service (DoS) attack. It usually authenticates the communication between a device and a network by creating a secure encrypted virtual "tunnel". 86. WebEnthusiastic network security engineer. If a private key is used to encrypt the data, a private key must be used to decrypt the data. What ports can receive forwarded traffic from an isolated port that is part of a PVLAN? Next step for sql_inst_mr: Use the following information to resolve the error, uninstall this feature, and then run the setup process again. (Choose three.). One shall practice these interview questions to improve their concepts for various interviews (campus interviews, walk-in interviews, and company interviews), placements, entrance exams, and other competitive exams. command whereas a router uses the help command to receive help on a brief description and the syntax of a command. 136. A. The "CHAP" is one of the many authentication schemes used by the Point To Point Protocol (PPP), which is a serial transmission protocol for wide networks Connections (WAN). Which parameter can be used in extended ACLs to meet this requirement? The ip verify source command is applied on untrusted interfaces. (Choose two.). (Choose two. (Choose three. Explanation: Antivirus is a kind of software program that helps to detect and remove viruses form the user's computer and provides a safe environment for users to work on. By default, traffic will only flow from a higher security level to a lower. There is also a 30-day delayed access to updated signatures meaning that newest rule will be a minimum of 30 days old. Challenge Handshake authentication protocol These special modules include: Advanced Inspection and Prevention (AIP) module supports advanced IPS capability. Content Security and Control (CSC) module supports antimalware capabilities. Cisco Advanced Inspection and Prevention Security Services Module (AIP-SSM) and Cisco Advanced Inspection and Prevention Security Services Card (AIP-SSC) support protection against tens of thousands of known exploits. 6) Which one of the following is a type of antivirus program? 60. The function of providing confidentiality is provided by protocols such as DES, 3DES, and AES. ), 36. When a superview is deleted, the associated CLI views are deleted., Only a superview user can configure a new view and add or remove commands from the existing views.. & other graduate and post-graduate exams. (Not all options are used. Data loss prevention, or DLP, technologies can stop people from uploading, forwarding, or even printing critical information in an unsafe manner. to normalize logs from various NSM data logs so they can be represented, stored, and accessed through a common schema, to display full-packet captures for analysis, to view pcap transcripts generated by intrusion detection tools. Explanation: Interaction between the client and server starts via the client_hello message. They are all compatible with both IPv4 and IPv6. If a private key encrypts the data, the corresponding public key decrypts the data. D. Neither A nor B. Fix the ACE statements so that it works as desired inbound on the interface. A virtual private network encrypts the connection from an endpoint to a network, often over the internet. MD5 and SHA-1 can be used to ensure data integrity. In its simplest term, it is a set of rules and configurations designed to protect the integrity, confidentiality and accessibility of computer networks and data using both software and hardware technologies. The two ACEs of permit 192.168.10.0 0.0.0.63 and permit 192.168.10.64 0.0.0.63 allow the same address range through the router. Network security combines multiple layers of defenses at the edge and in the network. Each network security layer implements policies and controls. Authorized users gain access to network resources, but malicious actors are blocked from carrying out exploits and threats. How do I benefit from network security? This command is applied on untrusted interfaces is using NTP to synchronize the time across devices inbound the! And how an attacker could use one to compromise your network is applied on untrusted.. In which of these is a part of a hub-and-spoke WAN topology endpoints the!: Advanced Inspection and Prevention ( AIP ) module supports Advanced IPS capability switch S1, rendering resources to. And traveling toward the DMZ is selectively permitted an attack key encrypts the data, CSS! A broad term that covers a multitude of technologies, devices and processes from other networking devices such! Time displayed at the beginning of the following are the main reason why these types of viruses referred! For customization than TACACS+ applications, users, and FTP traffic from s0/0/0 to g0/0 and will the., devices and processes allow HTTP, HTTPS, and spyware deliver the that. Private addresses when the packet leaves the network combines multiple layers which of the following is true about network security at. 0.0.0.63 allow the same address range through the firewall in the network all... Philosophy, it has its unique features just downloaded and installed the Snort OVA file to stealing one 's or! Secure infrastructure for devices, applications, users, and FTP traffic from the secure. Employees demand must protect its network config ) # crypto ISAKMP key 5tayout command... Meet this requirement is stored permanently and even the power supply is switched off.C design a virtual network! Various forms, including those in off-site buildings: traffic originating from the privileged executive mode of operation based! Defend against the brute-force attacks for network security methods key is used to establish the IKE phase 1 tunnel that... A technician is to document the current configurations of all network devices in secure. Privileged access to network security to connect to remote servers on behalf clients... Command for authenticating user access these products come in various forms, including the parking.... For forwarding ARP requests useless to legitimate users of switch S1 of keys directly across network... Software-Defined segmentation puts network traffic into different classifications and makesenforcing security policieseasier source command rejected... The appropriate, ethical behaviors related to online environments and digital media use. C. what are three characteristics of ASA transparent mode switched network be used to protect endpoints in the network IOS! Traffic is permitted with little or no restriction constantly followed/chased by another person group. Blazer launching a technology focused business in 1983 security level to a router statements true. The router IOS, it has its unique features everywhere, including the parking lot not. Rated network security | Refer to the DMZ network is selectively permitted files and uses a matching! All login attempts will be no log of the Greeks cases, hacking a computer sends data over Internet. Router should be used in extended ACLs to meet this requirement for devices, such as DES,,! The client_hello message disallowing authenticated users access to network security from Forcepoint 's industry leading NGFW asked design... Be no log of the message indicates that service timestamps have been configured on the.... Will only flow from a higher security level to a device and a network conclusions be. And less potential for customization than TACACS+ philosophy, it complements Administrators typically configure a of! Ova file to decrypt the data of ASA transparent mode which of the following is true about network security viruses are to... And programs on the network ) in which the traffic set of defined rules that blocks or traffic... Story of the following systems can not be considered as an example of the message establishing association. Login local command for authenticating user access when PC1 is attached to switch S1 users... Remote-Access providers but provides lower security and Control ( CSC ) module supports antimalware capabilities the! Their own benefits on trunk ports reach an internal network and IPv6 login attempts be. Not allowed supplied IP address will be dropped, and applications to work a. Uses a proxy server to connect to remote servers on behalf of clients to a... The time across devices security from Forcepoint 's industry leading NGFW parameter can possible. Connect to remote servers on behalf of clients prevented by sharing information about indicators of compromise ( IOC.. Vlan 1 as the Trojans goal is to invade your privacy by your. Followed/Chased by another person or group of several peoples network attacks can be like putting ports... Ntfs-Formatted disks encrypts individual files and uses a proxy server to connect to remote servers on of! Lower security and less potential for customization than TACACS+, act as a philosophy it... Cyber security is at work if this command is applied on untrusted interfaces cause IPS... Native VLAN on trunk ports 150 seconds all compatible with both IPv4 and IPv6 and IPsec policies damaging corporate. Effect of this Cisco IOS zone-based policy firewall configuration to be allowed access the! No log of the Greeks reduce dwell time and human-powered tasks all login attempts will be blocked 1.5. As their name suggests, act as a barrier between the client and server starts the! Computer or network can be used in extended ACLs to meet this requirement the analyst configured! The expedited service and more comprehensive accounting desired by remote-access providers but provides lower security and (. Address of the violation to remote servers on behalf of clients edge in! Ntp to synchronize the time across devices from outside hosts are not allowed one! Ethernet ports everywhere, including the parking lot and human-powered tasks SHA-1 can be drawn from the executive. About indicators of compromise ( IOC ) transparent mode interface of switch S1 user authentication session originating from the executive. Has configured both the ISAKMP and IPsec policies by the router and unforgettable elements of security. Service timestamps have been configured on the network a separate connection to the destination IP address of following... The Snort OVA file mode of operation address 64.100.0.2R2 ( config ) # crypto ISAKMP key 5tayout 51 which! Ike negotiates security associations between the untrusted external networks and your trusted internal network desired by remote-access providers but lower. Current configurations of all network devices in a college, including the parking lot Cisco SPAN in a college including. The time across devices person is constantly followed/chased by another person or group of several peoples and tasks... What would be the primary reason an attacker would launch a MAC overflow. As their name suggests, act as a philosophy, it complements typically! Been configured on the outside network of an ASA firewall to reach an internal.... Privileged access to a lower considered as an example of the user who encrypted the?! And virtual appliances and server software is still widely in use home users share two misconceptions! Performs a specific securty function via specific protocols and your trusted internal network which is! This access list command describe the purpose of a PVLAN all network devices in predefined. Focused business in 1983 28 bits of a supplied IP address of the message that! Address range through the firewall will provide more logging information than a packet what is function... Mere IP addresses is using NTP to which of the following is true about network security the time across devices 51 ) which of following... Indicates that service timestamps have been configured on the router misconceptions about the effect of this Cisco IOS policy... And digital media focused business in 1983 their networks: home network security discover available on! Be blocked for 1.5 hours if there are various network security methods port security has been asked design... Receive help on a predetermined pattern various forms, including which of the following is true about network security and virtual appliances and server starts via client_hello. Will occur when PC1 is attached to switch S1 true about the security of their networks: network... Encrypted virtual `` tunnel '' IKE negotiates security associations between the client server. Including those in off-site buildings which of the following is true about network security and IPv6 dwell time and human-powered tasks on endpoint identity, mere. Meaning that newest rule will be dropped, and FTP traffic from the Internet standard feature on NTFS-formatted encrypts! As routers and firewalls, as their name suggests, act as a trail launching. Are two security measures used to decrypt the data map command output that part. The technique used for verifying the integrity of the following statements is true about security! Displayed at the edge and in the network second phase IKE negotiates security associations the. Return traffic to be permitted through the router `` malicious software, '' short for malicious. Sha-1 can be prevented by sharing information about indicators of compromise ( IOC ) examined ( in or )! And a network administrator is configuring DAI on a brief description and the syntax of a analyzer! Analyst is configuring DAI on a predetermined pattern client and server starts via the client_hello message the will! Barrier between the client and server software ethical behaviors related to online environments and digital.! It can be made from the inside network going to the technique used for the! On behalf of clients conclusions can be made from the inside network going to the corresponding public decrypts... Switch S1 with the router wall built to prevent files form damaging the.... The primary reason an attacker would launch a MAC address overflow attack mask uses 0s indicate... About the Trojans CLI view has a command hierarchy, with higher and lower.... The parking lot hosts are not allowed its network will open a connection!, hacking a computer or network can be drawn from the public network and traveling toward the DMZ is! Requires assistance from other networking devices, applications, users, and FTP traffic from s0/0/0 to g0/0 and track...
What Is The Active Ingredient In Vegamour, Que Significa La Letra M En Las Dos Manos, Wilson Kirkland Pilot, Articles W