What layer of the TMN （telecommunications management network） model does CTM fit into？（）A、Network management layerB、Element management layerC、Business management layerD、Network element layer

题目

What layer of the TMN （telecommunications management network） model does CTM fit into？（）

A、Network management layer
B、Element management layer
C、Business management layer
D、Network element layer

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第1题：

After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"()

A.Layer 1 on the interface is up but Layer 2 is down.

B.Layer 2 on the interface is up but Layer 3 has not been configured.

C.The interface is administratively up but the link status is down.

D.The interface is up but has been administratively turned off.

参考答案：C

第2题：

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

正确答案:B,D,E

第3题：

What can we do for the case?____________

A.I don't care about it

B.The case is difficult

C.We would consult our layer

参考答案：C

第4题：

What are two functions of the Intel IXP processors？（）

A、keepalives
B、route-lookup
C、CRC validation
D、Layer 2 decapsulation

正确答案:A,C

第5题：

In the three-layer hierarchical network design model；what’s associated with the access layer？（）

A、optimized transport structure
B、high port density
C、boundary definition
D、data encryption
E、local VLANs
F、route summaries

正确答案:B,E

第6题：

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

参考答案：B, D, E

第7题：

FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？（）

A、 FabricPath provides MAC address scalability with conversational learning
B、 Loop mitigation with TTL in the frame field
C、 STPl independence
D、 10 Gbps bandwidth
E、 Layer 2 extensions between data centers

正确答案:A,B,C

第8题：

What are two routing requirements for a device to communicate with another device?()

A. end-to-end communications path

B. hosts on the same Layer 2 broadcast domain

C. hosts on the same Layer 3 broadcast domain

D. routing information on participating Layer 3 devices

参考答案：A, D

第9题：

What are three valid match criteria in a firewall filter applied to a Layer 3 interface?（）

A、IP address
B、MAC address
C、protocol
D、port
E、session ID

正确答案:A,C,D

第10题：

What is the function of the no switchport catalyst switch interface configuration command?（）

A、Disables the interfaces to prevent traffic flow
B、Clears all the configurations on the interface
C、Switches the port from access mode to trunk mode
D、Converts the port from physical Layer 2 port to physical Layer 3 port

正确答案:D

What layer of

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