What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?
A. The original VLAN tag is removed.
B. The VLAN tag is kept and a provider tag is added.
C. The original VLAN tag is kept.
D. The VLAN tag is replaced by a provider tag.
正解:C
質問 2:
Which of the following is TRUE if the local state of BGP is OpenConfirm?
A. The local system has sent an Open message to its neighbor and is waiting to receive one back.
B. The local system is exchanging Update messages with its neighbor.
C. The local system has received a Keepalive message and is ready to exchange updates.
D. The local system has sent a Keepalive message to its neighbor and is waiting to receive one back.
正解:D
質問 3:
What kind of attribute is the aggregator?
A. Well-known mandatory
B. Well-known discretionary
C. Optional non-transitive
D. Optional transitive
正解:D
質問 4:
What is the default priority value used for electing the DR on an Nokia 7750 SR running OSPF on an Ethernet?
A. Priority of 1
B. Priority of 255
C. Priority of 0
D. Priority of 64
正解:A
質問 5:
Which of the following describes 6PE?
A. P routers run IPv6 only. PE routers run IPv6 only and exchange IPv4 routes using MP-BGP.
B. P routers run IPv6 only. PE routers run both IPv4 and IPv6 and exchange IPv4 routes using MP-BGP.
C. P routers run IPv4 only. PE routers run IPv4 only and exchange IPv6 routes using MP-BGP.
D. P routers run IPv4 only. PE routers run both IPv4 and IPv6 and exchange IPv6 routes using MP-BGP.
正解:D
質問 6:
Which of the following comparisons between E-pipes and VPLSes is FALSE?
A. MAC addresses are learned by VPLSes, but not by E-pipes.
B. They both support SAP encapsulations of null, dot1Q and Q-in-Q.
C. They both use SAPs as the demarcation point between the customer and the provider.
D. They both function as a Layer 2 switch from the service provider's perspective.
正解:D
質問 7:
A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Nokia 7750 SR?
A. Ping 0.0.0.0
B. Ping static 3.3.3.1
C. Ping 3.3.3.1
D. Ping static 0.0.0.0/0
正解:C
質問 8:
Which regular expression will match the AS Path of a route originating in remote AS 65100?
A. "65100.+"
B. ".+ 65100"
C. ".* 65100.*"
D. "65100"
正解:B
質問 9:
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. Backbone Area
B. Stub Area
C. Not So Stubby Area
D. Standard Area
正解:A,C,D
Ayase -
Nokiaの4A0-C04問題集はいたれりつくせりの対策本。使い方に従って問題集一つでやっておけば試験に失敗する事は稀。