True or False? Every device on a network needs an IP address to identify itself and communicate on the network. true false Explanation: All network devices must have an IP…
An administrator is troubleshooting connectivity issues and needs to determine the IP address of a website. What is the best command to use to accomplish the task? nslookup show ipv6…
A support technician needs to know the IP address of the wireless interface on a MAC. What is the best command to use to accomplish the task? ipconfig getifaddr en0…
What is considered the most effective way to mitigate a worm attack? Change system passwords every 30 days. Ensure that all systems have the most current virus definitions. Ensure that…
When configuring SSH on a router to implement secure network management, a network engineer has issued the login local and transport input ssh line vty commands. What three additional configuration…
Which command can an administrator execute to determine what interface a router will use to reach remote networks? show arp show interfaces show ip route show protocols Answers Explanation &…
Users are complaining that they are unable to browse certain websites on the Internet. An administrator can successfully ping a web server via its IP address, but cannot browse to…
By following a structured troubleshooting approach, a network administrator identified a network issue after a conversation with the user. What is the next step that the administrator should take? Verify…
Refer to the exhibit. An administrator is testing connectivity to a remote device with the IP address 10.1.1.1. What does the output of this command indicate? Connectivity to the remote…
What is the advantage of using SSH over Telnet? SSH is easier to use. SSH operates faster than Telnet. SSH provides secure communications to access hosts. SSH supports authentication for…
What is the purpose of the network security authentication function? to require users to prove who they are to determine which resources a user can access to keep track of…
Which example of malicious code would be classified as a Trojan horse? malware that was written to look like a video game malware that requires manual user intervention to spread…
A client creates a packet to send to a server. The client is requesting SNMP service. What number will be used as the destination port number in the sending packet?…
A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of…
A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of…
A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of…
What are two characteristics of peer-to-peer networks? (Choose two.) scalability one way data flow decentralized resources centralized user accounts resource sharing without a dedicated server Answers Explanation & Hints: Peer-to-peer…
Which applications or services allow hosts to act as client and server at the same time? client/server applications email applications P2P applications authentication services Answers Explanation & Hints: P2P applications…
Which protocol is used by a client to communicate securely with a web server? SMTP SMB IMAP HTTPS Answers Explanation & Hints: HTTPS is a secure form of HTTP used…
How are port numbers used in the TCP/IP encapsulation process? Source port numbers and destination port numbers are not necessary when UDP is the transport layer protocol being used for…