單項(xiàng)選擇題Which of these Layer 2 access designs does not support VLAN extensions?()

A.FlexLinks
B.loop-free U
C.looped square
D.looped triangle
E.loop-free inverted U


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2.多項(xiàng)選擇題What are three primary activities in the cycle of building an enterprise security strategy?()

A. activity audit
B. administration
C. policy establishment
D. technology implementation

3.多項(xiàng)選擇題Which two of these are recommended practices with trunks? ()

A. use ISL encapsulation
B. use 802.1q encapsulation
C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D. use VTP server mode to support dynamic propagation of VLAN information across the network
E. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

4.單項(xiàng)選擇題When is the site-to-site remote access model appropriate? ()

A. for multiple ISDN connections
B. for modem concentrated dial-up connections
C. for a group of users in the same vicinity sharing a connection
D. for use by mobile users

5.多項(xiàng)選擇題Which two design concerns must be addressed when designing a multicast implementation?()

A. only the low-order 23 bits of the MAC address are used to map IP addresses
B. only the low-order 24 bits of the MAC address are used to map IP addresses
C. only the high-order 23 bits of the MAC address are used to map IP addresses
D. only the low-order 23 bits of the IP address are used to map MAC addresses
E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses




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?()

題型:單項(xiàng)選擇題

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:單項(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

What is the recommended radius of a cell for a voice-ready wireless network?()

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?()

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

題型:單項(xiàng)選擇題

As an experienced technician, you are responsible for Technical Support. One of the trainees is asking your advice on VPN Termination Device and Firewall Placement. Which of the following approaches will you recommend?()

題型:單項(xiàng)選擇題

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

題型:單項(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?()

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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