Unit 4 Networking 2024-25

Which protocol’s header would a layer 4 device read and process?

• IP

• ARP

• HTTP

• TCP

What is the Internet standard MTU?

•  

  65,535 bytes

  
  

•  

  1,522 bytes

  
  

•  

  9,198 bytes

  
  

•  

  1,500 bytes

  
  

Which two protocols manage neighbor discovery processes on IPv4 networks?

•  

  TCP and UDP

  
  

•  

  ICMP and ARP

  
  

•  

  NDP and Ethernet

  
  

•  

  IPv4 and IPv6

  
  

Which encryption protocol does GRE use to increase the security of its transmissions?

• SSH

• SSL

• SFTP

• IPsec

You’re getting a duplicate IP address error on your computer and need to figure out what other device on your network is using the IP address 192.168.1.56. What command will show you which MAC address is mapped to that IP address?

•  

  telnet 192.168.1.56

  
  

•  

  tracert 192.168.1.56

  
  

•  

  arp - a

  
  

•  

  netstat -n

  
  

An Arp table maps MAC addresses to what information?

•  

  IPv6 addresses

  
  

•  

  IPv4 addresses

  
  

•  

  Physical Interfaces

  
  

•  

  TCP or UDP Ports

  
  

Which two components of the CIA triad are ensured by adequate encryption methods? (Choose two)

• Integrity

• Accountability

• Availability

• Confidentiality

You're working from home and need to access a file server at the office while working in an application from your work desktop. At the same time, you often stream music in your browser. Which VPN type will be most efficient while still meeting your needs?

•  

  Host-to-Host VPN

  
  

•  

  Full Tunnel VPN

  
  

•  

  Site-to-Site VPN

  
  

•  

  Split Tunnel VPN

  
  

You need to determine which device on your network is sending excessive messages to your Ubuntu Server. Which utility will give you this information?

• tcpdump

• netstat

• arp

• traceroute

Which protocol's header includes the source MAC address?

• TCP

• IP

• UDP

• Ethernet