單項(xiàng)選擇題What is the maximum number of hops OSPF allows before it deems a network unreachable?()

A. 15
B. 16
C. 99
D. 255
E. Unlimited


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1.多項(xiàng)選擇題In EIGRP, what kind of route information is stored in RAM and maintained by way of hello packets and update packets?()

A. Neighbor Table
B. SRF Table
C. RTP Table
D. Topology Table
E. Query Table
F. Dual Table

2.多項(xiàng)選擇題Which of the following statements describe the characteristic of link state routing protocols?()

A. The exchange of an advertisement is triggered by a change in the network.
B. All routers exchange routing tables with each other in a multipoint network.
C. Packets are routed based upon the shortest path to the destination.
D. Paths are chosen depending on the cost efficiency factor.
E. Every router in an OSPF area is capable of representing the entire network topology.
F. Only the designated router in an OSPF area can represent the entire network topology.

3.多項(xiàng)選擇題Which of the following routing protocols are less likely prone to problems in non contiguous networks?()

A. IGRP
B. ICMP
C. OSPF
D. RIP v1
E. RIP v2
F. EIGRP

4.多項(xiàng)選擇題Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?()

A. Spanning Tree Protocol
B. Shortest path first tree
C. Link-state advertisements (LSA)
D. Hold-down timers
E. Split horizon
F. VRP

7.多項(xiàng)選擇題Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?()

A. A routing protocol is assigned to an interface and determines the method of packet delivery.
B. A routed protocol is assigned to an interface and determines the method of packet delivery.
C. A routing protocol determines the path of a packet through a network.
D. A routed protocol determines the path of a packet through a network.
E. A routing protocol operates at the transport layer of the OSI model.
F. A routed protocol updates the routing table of a router.

8.單項(xiàng)選擇題What does a Layer 2 switch use to decide where to forward a received frame?()

A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address

9.單項(xiàng)選擇題What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?()

A. The frame is dropped.
B. The frame is addressed with a broadcast MAC address and sent out all ports.
C. The frame is sent out all ports except the receiving port.
D. An ARP request is sent out all ports except the receiving port.
E. A destination unreachable message is sent back to the source address.
F. None of the above.

10.多項(xiàng)選擇題With regard to Ethernet media access methods, which of the following are true?()

A. A device waits for an electronic signal before transmitting.
B. A device listens and waits until the media is not busy before transmitting.
C. All devices on an Ethernet segment see data that passes on the network medium.
D. Only the sender and the receiver devices see data that passes on the network medium.
E. Ethernet networks allow you to configured devises with higher transmission priority.

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Which of the following describe router functions?()

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A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?()

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