2021 4A0-106 Premium Files Test pdf - Free Dumps Collection
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How much 4A0-106 Exam Cost
The price of the 4A0-106 exam is $125 USD.
What is the duration of the 4A0-106 Exam
- Length of Examination: 90 minutes
- Number of Questions: 60
- Format: Multiple choices, multiple answers
NEW QUESTION 112
In inter-AS model C VPRN, which of the following about the command "advertise-label ipv4" is TRUE?
- A. This command is required on the ASBRs to exchange labeled IPv4 routes between the ASs.
- B. This command is required on all PE routers to distribute labeled IPv4 routes to connected CEs.
- C. This command is required on all PE routers to distribute labeled IPv4 routes directly to PEs in remote AS.
- D. This command is required on the route reflectors to exchange customer routes between ASs as labeled IPv4 routes.
Answer: A
NEW QUESTION 113
When does a router add a Route Target to a route?
- A. When the PE propagates the route to the CE.
- B. When the PE populates the route received from the CE into the VRF.
- C. When the PE exports the route from the VRF into the MP-BGP table.
- D. When the P receives the route from the PE.
Answer: C
NEW QUESTION 114
To enable full spoke-to-spoke connectivity for the CE hub and spoke VPRN, on which router(s) should the displayed static-route be configured?
- A. CE2 and CE3
- B. PE2 and PE3
- C. CE1
- D. PE1
Answer: B
NEW QUESTION 115
Choose the best answer to describe the result of the configuration of an Nokia 7750 SR shown below?
- A. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and disable learning of new routes at 41
- B. The PE will install a maximum of 40 prefixes into the customer vrf and generate a log message when 40 routes are received
- C. The PE will install a maximum of 40 prefixes into the customer vrf, and generate a log message both when 30 and 41 routes are received
- D. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and drop the connection at 41
- E. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41
Answer: E
NEW QUESTION 116
Click the exhibit.
Router R4 is an Alcatel-Lucent 7750 SR configured for the extranet VPRN network. Which CLI command is executed on router R4 to produce the displayed output?
- A. There is no CLI command that can produce this output on router R4
- B. "show router route-table"
- C. "show router 10 route-table"
- D. "show router 20 route-table"
Answer: B
NEW QUESTION 117
Click the exhibit.
For the PE hub and spoke VPRN, on which PE(s) should the VPRN service command target export target:
65100:1 import target: 65100: 2 " be configured?
- A. PE2, PE3 and PE4
- B. This command is not required for the configuration of this PE hub and spoke VPRN.
- C. PE1
- D. PE1, PE2, PE3 and PE4
Answer: C
NEW QUESTION 118
What is the minimum number of Route Distinguishers required to implement an overlapping VPRN involving 5 different customers?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: A
NEW QUESTION 119
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?
- A. Configuring iBGP sessions between PEs residing in different customer carrier sites.
- B. Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.
- C. Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.
- D. Configuring an IES service on PE1.
Answer: B
Explanation:
Section: Volume B
NEW QUESTION 120
What is the minimum number of Route Distinguishers required to implement an overlapping VPRN involving 5 different customers?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: A
Explanation:
Section: Volume A
Explanation
NEW QUESTION 121
Click the exhibit.
Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?
- A. The secondary VRF on PE1 contains routes learned from the spoke sites.
- B. Spoke sites do not learn routes from other spoke sites directly.
- C. PE1 advertises spoke routes to CE1.
- D. The primary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.
Answer: A
NEW QUESTION 122
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following is FALSE?
- A. CE1 forwards the data packet to PE1 via the VPRN 20 interface.
- B. PE1 pushes two labels on the IP packet: a BGP label and an LDP transport label.
- C. CSC-PE1 pops the BGP label and pushes a VPN label and an MPLS transport label.
- D. CSC-CE1 pops the LDP label and swaps the BGP label.
Answer: B
NEW QUESTION 123
Which of the following describes how a route is handled when is received at the PE from the local CE?
- A. It will be placed into the customer VRF and then be propagated to the BGP table only if BGP is used as the PE-CE protocol
- B. It will be placed into the customer VRF and automatically propagated into the BGP table
- C. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table if RIP is used as the PE-CE protocol
- D. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table
- E. It will be placed into the customer VRF and require an export policy to be placed into the BGP table if a protocol other than BGP is used as the PE-CE protocol
Answer: B
NEW QUESTION 124
Which of the following commands on an Alcatel-Lucent 7750 SR will verify connectivity for a VPRN service
<service-id> when issued from the PE?
- A. oam <service-id> vprn-ping source <source-ip> destination <destination-ip>
- B. oam vprn-ping <service-id> source <source-ip> destination <destination-ip>
- C. Ping <destination-ip> source <source-ip>
- D. vprn-ping router <service-id> <destination-ip>
Answer: B
NEW QUESTION 125
Click the exhibit.
For the inter-AS model A VPRN shown, which of the following about the route advertisement of 192.168.1.0/27 is FALSE?
- A. ASBR1 advertises 64496:1:192.168.1.0/27 route update to ASBR2.
- B. PE1 advertises 64496:1:192.168.1.0/27 route update to ASBR1.
- C. PE2 advertises 192.168.1.0/27 route update to CE2.
- D. ASBR2 advertises 64497:1:192.168.1.0/27 route update to PE2.
Answer: A
Explanation:
Section: Volume B
NEW QUESTION 126
Which of the following commands on an Nokia 7750 SR will verify connectivity for a VPRN service <service-id> when issued from the PE?
- A. oam <service-id> vprn-ping source <source-ip> destination <destination-ip>
- B. oam vprn-ping <service-id> source <source-ip> destination <destination-ip>
- C. Ping <destination-ip> source <source-ip>
- D. vprn-ping router <service-id> <destination-ip>
Answer: B
NEW QUESTION 127
What operation does a P device perform when it receives a labeled packet for a VPRN service?
- A. It decrements the TTL and forwards the packet based on the inner label.
- B. The P router does not perform any operations on labeled packets.
- C. It forwards the packet based on the label signaled by MP-BGP.
- D. It swaps the outer label then forwards the packet.
Answer: D
NEW QUESTION 128
Which of the following VPRN topologies must a customer implement to allow a given VRF to include routes from different VPRNs?
- A. A hub and spoke VPRN
- B. Either a hub and spoke or an extranet VPRN
- C. An extranet VPRN
- D. Either a full mesh or a hub and spoke VPRN
Answer: C
NEW QUESTION 129
Which of the following about inter-AS model C VPRNs is FALSE?
- A. Within each AS, MP-iBGP sessions are established to exchange VPN-IPv4 prefixes between the PE routers.
- B. Within each AS, the ASBR advertises the system addresses of remote PE routers as labeled IPv4 routes.
- C. ASBRs exchange the system addresses of PE routers as VPN-IPv4 routes over MP-eBGP.
- D. PE routers in different ASs exchange VPRN routing information directly over MP-eBGP.
Answer: C
NEW QUESTION 130
Click the exhibit.
For the CE hub and spoke VPRN, which of the following is FALSE?
- A. PE1 advertises the primary VRF routes to CE1.
- B. All traffic between spoke sites must pass through CE1.
- C. The primary VRF on PE1 contains routes learned from spoke sites.
- D. The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.
Answer: D
Explanation:
Section: Volume B
Explanation
NEW QUESTION 131
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