單項(xiàng)選擇題Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and()refers to call issues that cause variations in timing or time of arrival. 

A. echo
B. jitter
C. packet loss
D. digitized sampling


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1.單項(xiàng)選擇題Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?()

A. dynamic reconfiguration
B. path MTU discovery
C. auto setup
D. remote management

2.多項(xiàng)選擇題


Which two of these are correct regarding the recommended practice for distribution layer designbased on the following configuration?()

A. use a Layer 2 link between distribution switches
B. use a Layer 3 link between distribution switches
C. use a redundant link to the core
D. use a Layer 3 link between distribution switches with route summarization

4.單項(xiàng)選擇題Which one is not the feature of the Cisco Unified Wireless Network architecture?()

A. network unification
B. remote access
C. mobility services
D. network management

5.多項(xiàng)選擇題What two choices can you make when redundancy is required from a branch office to a regional office? ()

A. multiple Frame Relay PVCs
B. dual Wan links to the regional office
C. dual Wan links to another branch office
D. single links - one to the regional office and one to another branch office

6.單項(xiàng)選擇題You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ringtopology?()

A. Dynamic Trunking Protocol
B. Resilient Packet Ring
C. Synchronous Digital Hierarchy
D. Coarse Wave Division Multiplexing

8.單項(xiàng)選擇題Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing theoverhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?()

A. Use default Layer 4 hash in core.
B. Use default Layer 3 hash in distribution.
C. Use default Layer 4 hash in distribution.
D. Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.

9.多項(xiàng)選擇題Which three statements about firewall modes are correct? ()

A. A firewall in routed mode has one IP address
B. A firewall in transparent mode has one IP address
C. In routed mode, the firewall is considered to be a Layer 2 dew
D. In routed mode, the firewall is considered to be a Layer 3 device
E. In transparent mode, the firewall is considered to be a Layer 2 device
F. In transparent mode, the firewall is considered to be a Layer 3 device

10.單項(xiàng)選擇題

Refer to the exhibit.

Which of the following is an advantage of device clustering utilizing Virtual Port Channels (vPC)?()

A. A logical star topology provides a loop free environment so that all links will be used forwardtraffic
B. Enhanced EtherChannel hashing load balancing using the vPC peer link internal to the VPC
C. The control plane functions of the Nexus switches are merged to hide the use of virtualization
D. Neighboring devices connect on a Layer 3 MEC for improved packet forwarding

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Refer to the exhibit. Which two of these are characteristics of a firewall running in transparent mode?() 

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