Although they've fallen out of favor, which of the following devices is used to connect different network segments and manage the traffic between them?

In dial up remote access a client uses the ---- to create a physical connection to a part on a remote access server of the private network.

• [A] Public telephone network
• [B] Bank�??s branch network
• [C] Private network
• [D] Public local network

Error detection at the data link layer is achieved by?

• [A] Bit stuffing
• [B] Cyclic redundancy codes
• [C] Hamming codes
• [D] Equalization

How many collision domains are created when you segment a network with a 12-port switch?

• [A] 1
• [B] 12
• [C] 5
• [D] 2

Which protocol does Ping use?

• [A] TCP
• [B] ARP
• [C] ICMP
• [D] BootP

Which class of IP address provides a maximum of only 254 host addresses per network ID?

• [A] Class A
• [B] Class B
• [C] Class C
• [D] Class D
• [E] Class E