單項(xiàng)選擇題Which of the following is a characteristic of a data center core?()

A. Server-to-server traffic always remains in the core layer.
B. The recommended practice is for the core infrastructure to be in Layer 3.
C. The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.
D. The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.
E. Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.


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1.多項(xiàng)選擇題Which two of these multicast deployments are most susceptible to attacks from unknown sources?()

A.ASM
B.BiDirPIM
C.PIM-SMRP
D.RP-Switchover
E.SourceSpecificMulticast

2.單項(xiàng)選擇題What is the default value of the SPT threshold in Cisco routers?()

A. 0
B. 1
C. 2
D. 4
E. 16
F. infinity

3.單項(xiàng)選擇題To which of these does IP multicast send packets?()

A. a single host
B. a subset of hosts
C. all hosts sequentially
D. all hosts simultaneously

4.單項(xiàng)選擇題Which of these ports does syslog use to send messages to a syslog server?()

A.TCP502
B.TCP514
C.TCP520
D.UDP502
E.UDP514
F.UDP520

5.單項(xiàng)選擇題Which of these is a benefit of ESM?()

A. supports multiple MIBs
B. includesNetFlow, NBAR, and IP SLA software subsystems
C. includesNetFlow, syslog, and IP SLA software subsystems
D. includes a predefined framework for filtering and correlating messages
E. supports two logging processes so output can be sent in standard and ESM format

6.單項(xiàng)選擇題How does ERS use the VLAN tag?()

A. to provide service internetworking
B. to support transparency for Layer 2 frames
C. as a connection identifier to indicate destination
D. as a mapping to the DLCI in service internetworking
E. to provide a trunk by which all VLANs can navigate from one site to one or multiple sites

7.單項(xiàng)選擇題Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links?()

A. use BGP as the CE-PE routing protocol
B. use OSPF as the CE-PE routing protocol
C. use EIGRP as the CE-PE routing protocol
D. use the SP to redistribute routes as external routes for OSPF and EIGRP
E. use route redistribution at each location to ensure external routes are imported into the IGP

8.多項(xiàng)選擇題Which two of these are characteristics of MPLS VPNs?()

A. Layer 3 MPLS VPNs can forward only IP packets
B. Layer 2 MPLS VPNs can forward any network protocol
C. MPLS label paths are automatically formed based on Layer 2 frames
D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
E. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies

10.多項(xiàng)選擇題Which two of these are characteristics of Metro Ethernet? ()

A. class of service
B. bandwidth profiles
C. user-network interface
D. Ethernet LAN circuit attributes
E. Ethernet virtual circuit attributes

最新試題

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

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Please match the Cisco NAC appliance component to its description.()(1)Cisco NAS(2)Cisco NAA(3)Rule-set Lpdates(4)Cisco NAM(a) a centralized management point(b) an in-band cr out-of-band device for network access control(c) a Windows-based client which allows network access based on the tasks running(d) a status crecker for operating systems,antivirus,antispyware,etc.

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?()

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An organization hires a contractor who only needs access to email and a group calendar. They do not need administrator access to the computer. Which VPN model is the most appropriate?()

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What amount of cell overlap ensures smooth roaming for wireless endpoints?()

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

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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?()

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One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer?()

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

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