單項(xiàng)選擇題Lafeyette Productions is looking for a new ISP that has improved availability, load balancing, andcatastrophe protection. Which type of ISP connectivity solution would be best?()

A. single run
B. multi-homed
C. stub domain EBGP
D. direct BGP peering


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1.單項(xiàng)選擇題You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand NetFlow?()

A. NBAR examines data in Layers 1 and 4.
B. NBAR examines data in Layers 3 and 4.
C. NetFlow examines data in Layers 3 and 4.
D. NBAR examines data in Layers 2 through 4.

3.單項(xiàng)選擇題You are the Cisco Network Designer in Cisco.com. Which of these statements is true of clientlessend-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 than 1 percent.
C. Jitter should be less then 40 ms.
D. Managed bandwidth is strongly recommended for voice control traffic.

6.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

7.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.

8.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

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