單項選擇題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




最新試題

What is the recommended practice when considering VPN termination and firewall placement?()

題型:單項選擇題

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:單項選擇題

In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?()

題型:單項選擇題

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:單項選擇題

How many channels are defined in the IEEE 802.11b DSSS channel set?()

題型:單項選擇題

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

題型:多項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

Which of the following is the primary consideration to scale VPNs?()

題型:單項選擇題

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

題型:多項選擇題