单项选择题

Which statement is true, as relates to classful or classless routing?（）

A. RIPV1 and OSPF are classless routing protocols.
B. Classful routing protocols send the subnet mask in routing updates.
C. Automatic summarization at classful boundaries can cause problems on disc……
D. EIGRP and OSPF are classful routing protocols and summarize routes by def……

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热门试题

单项选择题In which solution is a router ACL used?（）

A. protecting a server frome unauthorized acces
B. controlling path selection,based on the route metric
C. reducing router CPU utilization
D. filterring packets that are passing through a router

单项选择题Which command can be used from a PC to verfy the connectivity between host that connect through path?（）

A. tracert address
B. ping address
C. arp address
D. traceroute address

单项选择题What is the function of the command switchport trunk native vlan 999 on a switch?（）

A. It designates VLAN 999 for untagged traffic.
B. It blocks VLAN 999 traffic from passing on the trunk.
C. It creates a VLAN 999 interface.
D. It designates VLAN 999 as the default for all unkown tagged traffic.

单项选择题Which IPsec security protocol should be used when confidentiality is required?（）

A. AH
B. MD5
C. PSK
D. ESP

单项选择题Which command can you use to manually assign a static IPV6 address to a router interface?（）

A. ipv6 address PREFIX_1::1/64
B. ipv6 autoconfig 2001:db8:2222:7272::72/64
C. ipv6 autoconfig
D. ipv6 address 2001:db8:2222:7272::72/64