Share some CCIE 400-101 exam questions and answers below.
Which information is contained in an OSPF Type 7 Not-So-Stubby Area NSSA External LSA?
A. The paths and costs to all OSPF NSSA areas that are external to the current area.
B. The path and costs to reach other stub area border routers in the OSPF routing domain.
C. The address of routers that connect the current area to other areas and the cost to reach those routers.
D. External network address, mask, and cost to reach each network that is external to the OSPF domain and only within the NSSA
E. The external network address, mask, and cost to reach networks that are external to the OSPF NSSA, including the default route.
Answer: D
Your network is suffering excessive output drops.Which two actions can you take to resolve the problem? (Choose two.)
A. Install a switch with larger buffers.
B. Configure a different queue set.
C. Reconfigure the switch buffers.
D. Configure the server application to use TCP.
E. Update the server operating system.
Answer: AB
Refer to the exhibit.

Which QoS mechanism is in use to prioritize voice traffic?
A. priority queuing
B. low-latency queuing
C. CBWFQ
D. fair queuing
E. custom queuing
Answer: B
Which two statements about AAA authentication are true? (Choose two)
A. RADIUS authentication queries the router's local username database.
B. TACASCS+ authentication uses an RSA server to authenticate users.
C. Local user names are case-insensitive.
D. Local authentication is maintained on the router.
E. KRB5 authentication disables user access when an incorrect password is entered.
Answer: DE
What are two of the commands that you can enter to gracefully shut down OSPF and notify neighbors?(Choose two)
A. router(config-if)# ip ospf graceful shutdown
B. router(config-if)# ip ospf shutdown
C. router(config-router)# shutdown
D. router(config-router)# graceful shutdown
E. router(config)# ip notify
Answer: BC
Which statement about EIGRP request packets is true?
A. They are transmitted unreliably.
B. They are transmitted via broadcast.
C. They determine whether a destination is reachable.
D. They are sent in response to query.
Answer: A
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