IT Final

What characteristic describes antivirus software?

• • applications that protect end devices from becoming infected with malicious software

  
  

• • a network device that filters access and traffic coming into a network

  
  

• • a tunneling protocol that provides remote users with secure access into the network of an organization

  
  

• • software on a router that filters traffic based on IP addresses or applications

  
  

What two security solutions are most likely to be used only in a corporate environment? (Choose two.)

• • virtual private networks

  
  

• • intrusion prevention systems

  
  

• • antispyware

  
  

• • strong passwords

  
  

What service is provided by POP3?

• • Retrieves email from the server by downloading the email to the local mail application of the client.

  
  

• • An application that allows real-time chatting among remote users.

  
  

• • Uses encryption to provide secure remote access to network devices and servers.

  
  

A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?

• • 255.255.255.248

  
  

• • 255.255.255.0

  
  

• • 255.255.255.128

  
  

Which frame field is created by a source node and used by a destination node to ensure that a transmitted data signal has not been altered by interference, distortion, or signal loss?

• • User Datagram Protocol field

  
  

• • frame check sequence field

  
  

• • flow control field

  
  

• • error correction process field

  
  

Which type of security threat would be responsible if a spreadsheet add-on disables the local software firewall?

• • brute-force attack

  
  

• • Trojan horse

  
  

• • DoS

  
  

• • buffer overflow

  
  

What are the two most effective ways to defend against malware? (Choose two.)

• • Update the operating system and other application software.

  
  

• • Install and update antivirus software.

  
  

• • Implement strong passwords.

  
  

• • Implement RAID.

  
  

What characteristic describes antispyware?

• • applications that protect end devices from becoming infected with malicious software

  
  

• • a network device that filters access and traffic coming into a network

  
  

• • a tunneling protocol that provides remote users with secure access into the network of an organization

  
  

• • software on a router that filters traffic based on IP addresses or applications

  
  

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

• • Telnet

  
  

• • AUX

  
  

• • SSH

  
  

• Console

A group of Windows PCs in a new subnet has been added to an Ethernet network. When testing the connectivity, a technician finds that these PCs can access local network resources but not the Internet resources. To troubleshoot the problem, the technician wants to initially confirm the IP address and DNS configurations on the PCs, and also verify connectivity to the local router. Which three Windows CLI commands and utilities will provide the necessary information? (Choose three.)

• • netsh interface ipv6 show neighbor

  
  

• • ping

  
  

• ipconfig

• • nslookup

  
  

• • telnet