单项选择题

What information does the help reference command provide?（）

A. a brief description of commands and their default values
B. the serial number and version number of the device used to open a support case with JTAC
C. a list of all the active hardware alarms on the device
D. a display of the current configuration while in operational mode

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热门试题

单项选择题Which command will display only direct routes?（）

A. show route
B. show route inet 0 direct
C. show ip route direct
D. show ip route protocol direct

单项选择题Which statement is true about a routing table?（）

A. It contains routers learned dynamically only
B. It finds the best path to each destination by using a modified shortest-path-first calculation
C. It contains only active BGP routes
D. It contains all accepted routes to all destinations

多项选择题By default, which two statements are true about export routing polices?（）

A. Export polices can evaluate only active routes
B. Export polices can evaluate all routes
C. Export polices can be applied to the forwarding table
D. Export polices can be applied to interfaces

多项选择题Whitch two statements are true regarding the role of the Routing Engine (RE)? （）

A. The RE controls and monitors the chassis
B. The RE manages the Packet Forwarding Engine (PFE)
C. The RE receives a copy of the forwarding table from the forwarding plane
D. The RE implements class of service (COS)

单项选择题Which statement is true about the forwarding plane?（）

A. The forwarding plane is the intelligence of the platform
B. The forwarding plane is based on x86 architecture
C. The forwarding plane maintains the routing tables, bridging table, and primary forwarding table
D. The forwarding plane implements policers, stateless firewall filters, and class of service