單項(xiàng)選擇題Which one of the WAN data-link protocols below is used for out-of-band signaling?()

A. HDLC
B. NCP
C. PAP
D. LAPD
E. LAPB
F. None of the above


您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題Which of the following correctly describe characteristics of PPP?()

A. Encapsulates several different types of routing protocols.
B. Supports only IP.
C. Can be used over analog circuits.
D. Is proprietary to Cisco
E. Supports error correction.

2.多項(xiàng)選擇題What are some common layer 2 encapsulations for a WAN link?()

A. Ethernet
B. PPP
C. Token Ring
D. HDLC
E. Frame Relay
F. POTS

4.單項(xiàng)選擇題A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?()

A. The destination is a host on another subnet, so the router will not forward the packet.
B. The destination is a host on the same subnet, so the router will forward the packet.
C. The destination is a broadcast address, so the router will not forward the packet.
D. The destination is a network address, so the router will forward the packet.

5.單項(xiàng)選擇題Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()

A. It ensures that data is retransmitted if an acknowledgment is not received.
B. It reassembles segments in the correct order on the destination device.
C. It provides a mechanism for the receiver to control the transmission speed.
D. It regulates the size of each datagram segment.
E. All of the above are functions of flow control

最新試題

Which of the following correctly describe steps in the OSI data encapsulation process?()

題型:多項(xiàng)選擇題

Which of the following contribute to congestion on an Ethernet network?()

題型:多項(xiàng)選擇題

What is a global command?()

題型:單項(xiàng)選擇題

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?()

題型:單項(xiàng)選擇題

Which statement describes the rule of split horizon?()

題型:單項(xiàng)選擇題

New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? ()

題型:單項(xiàng)選擇題

Which of the following describe router functions?()

題型:多項(xiàng)選擇題

A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?()

題型:單項(xiàng)選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

題型:多項(xiàng)選擇題

Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

題型:單項(xiàng)選擇題