Practice Test

Question 1

Which three statements are true about the operation of a full-duplex Ethernet network?
A. There are no collisions in full-duplex mode
B. A dedicated switch port is required for each full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode
D. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E. The host network card and the switch port must be capable of operating in full-duplex mode.

Answer 1

A. There are no collisions in full duplex mode
B. A dedicated switch port is required for each full-duplex node.
E. The host network card and the switch port must be capable of operating in full-duplex mode.

Question 2

Which OSI layer header contains the address of a destination host that is on another network?

Answer 2

Network

Question 3

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

Answer 3

Netword access layer

Question 4

Which protocol uses a connection-oriented service to deliver files between end systems?
A. TFTP
B. DNS
C. FTP
D. SNMP
E. RIP

Answer 4

FTP

Question 5

On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?

Answer 5

CDP

Question 6

Which two characteristics apply to Layer 2 switches?

Answer 6

Increases the number of collision domains

Implements VLAN

Question 7

Which of the following are types of flow control? (Choose three.)
A. buffering
B. cut-through
C. windowing
D. congestion avoidance
E. load balancing

Answer 7

A. Buffering
C. windowing
D. congestion avoidance