Error detection at the data link layer is achieved by?

How long is an IPv6 address?

• [A] 32 bits
• [B] 128 bits
• [C] 128 bytes
• [D] 64 bits

HUB is a _________ Device and Switch is a ________ Device.

• [A] Unicast, Multicast
• [B] Malticast, Unicast
• [C] Broadcast, Unicast
• [D] None of Above

Which of the following devices direct network traffic based not by MAC addresses but by software-configured network addresses?

• [A] Router
• [B] Hub
• [C] Bridge
• [D] NIC

Which of the following is private IP address?

• [A] 192.168.24.43
• [B] 168.172.19.39
• [C] 172.15.14.36
• [D] 12.0.0.1

Creating a Permanent ARP Entry Your boss's computer sleeps after 10 minutes. She wants to be able to "wake up" her desktop computer from a remote system, for example from her laptop. In order to do this, you first need to create a static entry in your boss's laptop's ARP table. Moreover this entry needs to ne recreated everytime the laptop reboots. The desktop computer's IP address is 10.50.249.38, and it's MAC address is 00-03-FF-A5-55-16. What command synthax should you use to do this? How will you make this command execute every time the computer boots? What layer of the OSI model are you referencing in this scenario?