300 Exam Questions for 4A0-C04 Updated Versions With Test Engine
Pass 4A0-C04 Exam with Updated 4A0-C04 Exam Dumps PDF 2022
NEW QUESTION 103
How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 104
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?
- A. Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.
- B. Manual route summarization can only be done on autonomous system border routers.
- C. Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.
- D. Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.
Answer: D
NEW QUESTION 105
In an IP datagram, which of the following fields identifies the receiving application?
- A. The port field of the transport layer header.
- B. The port field of the network layer address.
- C. The protocol field of the transport layer header.
- D. The protocol field of the network layer header.
Answer: A
NEW QUESTION 106
Which of the following about the Link LDP discovery process on the Nokia 7750 SR is FALSE?
- A. LDP Hello messages are sent over TCP.
- B. Each LDP enabled router must have its own unique system IP address.
- C. LDP Hello messages are exchanged between all directly connected LDP enabled routers.
- D. LDP Hello messages are sent to the All Routers address 224.0.0.2.
Answer: A
NEW QUESTION 107
Choose the Distance Vector Protocols from the list below:
- A. RIPv2
- B. IS-IS
- C. OSPF
- D. RIPv1
Answer: A,D
NEW QUESTION 108
Which of the following about SAPs is TRUE?
- A. More than one SAP can be configured on a physical port that is configured for null encapsulation.
- B. Dot1Q Ethernet encapsulated access ports can support multiple SAPs and services.
- C. SAPs can only be created on Ethernet ports.
- D. SAPs can be created on ports designated as "Network".
Answer: B
NEW QUESTION 109
By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Nokia 7750 SR?
- A. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
- B. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
- C. The FCS is verified and removed from the frame. The VLAN tag is kept and transported over the network.
- D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.
Answer: C
NEW QUESTION 110
On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?
- A. Set the MTU of the IES's network port to match the service MTU of the VPLS.
- B. Set the SDP MTU of the IES to match the SDP MTU of the VPLS.
- C. Set the service MTU of the VPLS to match the IES MTU.
- D. Set the ip-mtu of the IES to match the service MTU of the VPLS.
Answer: D
NEW QUESTION 111
Which of the following about route distinguishes on the Nokia 7750 SR is TRUE?
- A. A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.
- B. Route distinguishes are used to determine which routes a VPRN should import.
- C. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
- D. CE routers use a route distinguisher to indicate which VPRN they are associated to.
Answer: A
NEW QUESTION 112
Click the exhibit button.
Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: A
NEW QUESTION 113
Which MPLS label mode propagates a label mapping only for the FEC for which a router has a label mapping for the FEC's next-hop?
- A. Liberal label retention mode
- B. Downstream on demand label distribution mode
- C. Independent control mode
- D. Conservative label retention mode
- E. Ordered control mode
Answer: E
NEW QUESTION 114
What is the default Nokia 7750 SR TTL of a BGP advertisement between confederation members?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 115
Click on the exhibit.
A fully loose LSP "toR6" is configured. All links have the same cost and all routers are Nokia 7750 SRs. The LSP currently traverses the path R1-R2-R7-R8-R4-R6 and the resignal timer is enabled. Which of the following about this LSP is FALSE?
- A. The LSP will switchover to a better path in a MBB fashion.
- B. The LSP will switchover to a better path as soon as it is available.
- C. CSPF must be enabled for this LSP to attempt to find a better path.
- D. The LSP will switchover to another path if a failure occurs.
Answer: B
NEW QUESTION 116
Click the exhibit button.
The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?
- A. The adjacency state is two way because both routers have received a database description packet.
- B. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
- C. The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
- D. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.
Answer: C
NEW QUESTION 117
In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent?
- A. VCI
- B. Tunnel Label
- C. Operational Control Word
- D. VPI
- E. VC Label
Answer: E
NEW QUESTION 118
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