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 design based 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

3.單項(xiàng)選擇題What type of Call Admission control in CallManager allows for limits to the bandwidth consumed by active calls?（）

A. regions
B. partitions
C. locations
D. device Pools

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. dualWan links to the regional office
C. dualWan 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 ring topology?（）

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

7.單項(xiàng)選擇題You are the network consultant from Cisco.com. Please point out which Layer 2 access designs does not support VLAN extensions?（）

A. Flex Links
B. loop-free U
C. looped square
D. looped triangle


最新試題

Which of these is true of a Layer 3 out-of-band NAS deployment?（）

題型：?jiǎn)雾?xiàng)選擇題

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will keep them on the same IP subnet?（）

題型：?jiǎn)雾?xiàng)選擇題

In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?（）

題型：?jiǎn)雾?xiàng)選擇題

During consultation, you find that a customer has multiple asset closets and will be adding more in the future. Which NAS physical deployment model would you suggest to this customer?（）

題型：?jiǎn)雾?xiàng)選擇題

You are the Cisco Network Designer . Which is not major scaling, sizing, and performance consideration for an IPsec design?（）

題型：?jiǎn)雾?xiàng)選擇題

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?（）

題型：?jiǎn)雾?xiàng)選擇題

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

題型：?jiǎn)雾?xiàng)選擇題

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）

題型：?jiǎn)雾?xiàng)選擇題

The Cisco NAC Appliance is able to check which three items before allowing network access?（）

題型：多項(xiàng)選擇題

You are the Cisco Network Designer. Which of these is least important when determining how many users a NAS can support?（）

題型：?jiǎn)雾?xiàng)選擇題