JN0-130

单选题Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?()A 0B 1C

题目
单选题
Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?()
A

0

B

1

C

2

D

3

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相似问题和答案

第1题:

In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?()

A. Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.

B. A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.

C. A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.

D. A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.


参考答案:B

第2题:

The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()

A.Authentication needs to be changed to PAP for both routers.

B.Serial IP addresses of routers are not on the same subnet.

C.Username/password is incorrectly configured.

D.Router names are incorrectly configured.


参考答案:C

第3题:

Routers A and B are connected with a point-to-point OC-3 interface. Each router‘s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.How many IS-IS adjacencies exist between the two routers?()

A.0

B.1

C.2

D.3


参考答案:C

第4题:

Which two are characteristics of link-state routing protocols?() (Choose two.)

  • A、Routers choose a best path for a destination based on the SPF algorithm.
  • B、All routers in a given area or level build a consistent database describing the network's topology.
  • C、Routers choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.
  • D、All routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.

正确答案:A,B

第5题:

The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()

  • A、Authentication needs to be changed to PAP for both routers.
  • B、Serial IP addresses of routers are not on the same subnet.
  • C、Username/password is incorrectly configured.
  • D、Router names are incorrectly configured.

正确答案:C

第6题:

The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?()

A. The authentication needs to be changed to PAP for both routers.

B. The serial IP addresses of routers are not on the same subnet.

C. The username/password combination is incorrectly configured.

D. The router names are incorrectly configured.


参考答案:C

第7题:

Routers R1 and R2 use HSRP so that one router will back up the other should there be a failure.   Which two statements are true about the Hot Standby Router Protocol (HSRP)? ()

  • A、 Load sharing with HSRP is achieved by creating multiple subinterfaces on the HSRP routers.  
  • B、 Routers configured for HSRP can belong to multiple groups and multiple VLANs.
  • C、 Load sharing with HSRP is achieved by creating HSRP groups on the HSRP routers.
  • D、 All routers configured for HSRP load balancing must be configured with the same priority.  
  • E、 Routers configured for HSRP must belong to only one group per HSRP interface.

正确答案:B,C

第8题:

Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?()

A.0

B.1

C.2

D.3


参考答案:B

第9题:

You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?()

  • A、0
  • B、1
  • C、2
  • D、3

正确答案:A

第10题:

Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?()

  • A、0
  • B、1
  • C、2
  • D、3

正确答案:C

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