Nokia 4A0-C04 問題集

質問 1：
From the list below select the statements that describe the behavior of link state information aging. (Choose 2)
A. The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.
B. The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS
C. The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.
D. The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS
正解：A,B

質問 2：
Which of the following commands can be used to display the number of SPF computations that have been performed on a router?
A. show router ospf neighbor
B. show router ospf interface
C. show router ospf area <area-id>
D. show router ospf status
正解：C

質問 3：
If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.
A. Standard Area
B. Backbone Area
C. Not So Stubby Area
D. Stub Area
正解：A,B,C

質問 4：
Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?
A. Router R1 needs to have an export policy added to it.
B. 'asbr' is missing from router R1's configuration.
C. Router R1 needs to have an import policy added to it.
D. Router R5 does not have an export policy for these prefixes.
正解：D

質問 5：
Which of the following regarding per-platform label space is TRUE?
A. A single label is assigned to a FEC for all interfaces on the same router,
B. It uses more label resources than a per-interface label space.
C. It is typically used when the device has ATM or Frame Relay interfaces.
D. A separate label is used for each interface on which the FEC is advertised.
正解：A

質問 6：
In an IP datagram, which field identifies the receiving application
A. The protocol field of the transport layer header
B. The port field of the transport layer header
C. The port field of the network layer address
D. The protocol field of the network layer header
正解：B

質問 7：
Which ofthe following commands is used to display the databasecontaining the OSPF-TE LSAs?
A. show router ospf database
B. show router ospf opaque-Isa
C. show router ospf opaque-database
D. show router ospf te opaque
正解：C

質問 8：
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
A. Network LSA
B. Summary Network LSA
C. Summary Router LSA
D. Router LSA
正解：A,D

質問 9：
There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route
10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Nokia 7750 SR?
A. traceroute next-hop 10.1.2.1
B. traceroute does not work on the Nokia 7750 SR.
C. traceroute 10.2.3.1 next-hop 10.1.2.1
D. traceroute 10.2.3.1
E. traceroute 10.1.2.1
正解：D