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.

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多項(xiàng)選擇題

Users of a site-to-site VPN are reporting performance problems. The VPN connection employsIPSec 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.

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.

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You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand NetFlow？（）

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Users of a site-to-site VPN are reporting performance problems. The VPN connection employsIPSec 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？（）

You are the Cisco Network Designer in Cisco.com. Which of these statements is true of clientlessend-user devices？（）

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You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand NetFlow？（）

Users of a site-to-site VPN are reporting performance problems. The VPN connection employsIPSec 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？（）