多項(xiàng)選擇題Users of a site-to-site VPN are reporting performance problems. The VPN connection employs IPSec and GRE and traverses several Ethernet segments. The VPN packets are being fragmented as they traverse the links. What would be two methods to overcome this problem?()

A. Employ path MTU discovery.
B. Set the MTU higher than 1500 bytes.
C. Turn off pre-fragmentation for IPSec.
D. Set the MTU value to 1400 bytes.


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1.單項(xiàng)選擇題Which of these terms refers to call issues that cause variations in timing or time of arrival?()

A.queuing
B.jitter
C.packet loss
D.digitized sampling
E.signal-to-noise ratio ratio

2.多項(xiàng)選擇題

Refer to the exhibit. Which two of these are correct regarding the recommended practice for distribution layer design?()

A.use a redundant link to the core
B.use a Layer 2 link between distribution switches
C.never use a redundant link to the core because of convergence issues
D.use a Layer 3 link between distribution switches with route summarization
E.use a Layer 3 link between distribution switches without route summarization

3.單項(xiàng)選擇題You are the Cisco Network Designer in Cisco.com. Which of these statements is true of clientless end-user devices?()

A. They do not receive unique IP addresses.
B. RADIUS or LDAP is required.
C. They are assigned addresses from the internal DHCP pool.
D. Their traffic appears to originate from the originating host network.

4.多項(xiàng)選擇題What are two design guidelines for VoIP networks? ()

A.Delay should be no more than 10 ms.
B.Loss should be no more than1 percent.
C.Jitter should be less then 40 ms.
D.Managed bandwidth is strongly recommended for voice control traffic.

5.多項(xiàng)選擇題Which three of these are elements of the Cisco Unified Wireless Network architecture?()

A.cell phones
B.remote access
C.mobility services
D.network management
E.network unification
F.network decentralization

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Refer to the exhibit. Which two statements about the topologies shown are correct?()

題型:多項(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:單項(xiàng)選擇題

Which of these is a benefit of using Network Admission Control instead of Cisco Identity Based Networking Services?()

題型:單項(xiàng)選擇題

Which two of these are advantages of placing the VPN device in the DMZ on the firewall?()

題型:多項(xiàng)選擇題

As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?()

題型:單項(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?()

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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?()

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Which signal and noise values will result in the best phone communication with an access point?()

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What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?()

題型:單項(xiàng)選擇題

Which two of these are advantages of placing the VPN device parallel to the firewall?()

題型:多項(xiàng)選擇題