What are two routing requirements for a device to communicate with another device?（）
第1题：
A. OSPF SPF daemon (ospfd)
B. SNMP daemon (snmpd)
C. BGP daemon (bgpd)
D. Routing protocols daemon (rpd)
第2题：
A. to maintain routing tables
B. to forward traffic toward its destination
C. to manage the PFE
D. to implement various services such as policing, stateless firewall filtering, and class of service
第3题：
A. Linux kernel
B. routing protocol daemon
C. session-based forwarding module
D. separate routing and security planes
第4题：
A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path
第5题：
A. The default administrative distance has been changed.
B. IS - IS is not enabled.
C. Three physical interfaces are taking part in integrated IS - IS.
D. IS - IS is not redistributing any oth er routing protocols.
E. There are two neighboring routers sending IS - IS routing information.
F. Address summarization is configured.
第6题：
A. end-to-end communications path
B. hosts on the same Layer 2 broadcast domain
C. hosts on the same Layer 3 broadcast domain
D. routing information on participating Layer 3 devices
第7题：
A. discard
B. next policy
C. accept
D. ignore
第8题：
A. It can reduce routing table size.
B. It allows for optimal route selection.
C. It can reduce the number of routing updates.
D. It always shortens the attribute list for the aggregated route.
第9题：
A. Send periodic updates regardless of topology changes.
B. Send entire routing table to all routers in the routing domain.
C. Use the shortest-path algorithm to the determine best path.
D. Update the routing table based on updates from their neighbors.
E. Maintain the topology of the entire network in its database.
第10题：
What are two reasons why a route might be hidden?（）