Download Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR).350-401.PassCertification.2020-01-09.28q.vcex

Vendor: Cisco
Exam Code: 350-401
Exam Name: Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR)
Date: Jan 09, 2020
File Size: 668 KB

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Demo Questions

Question 1
Which statement about WAN Ethernet Services is true?
  1. Rate-limiting can be configured per EVC.
  2. Point-to-point processing and encapsulation are performed on the customer network.
  3. Ethernet multipoint services function as a multipoint-to-multipoint VLAN-based connection.
  4. UNIscan perform service multiplexing and all-in-one bundling.
Correct answer: A
Explanation:
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. 
Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
Question 2
Which statement about the OSPF Loop-Free Alternate feature is true?
  1. It is supported on routers that are configured with virtual links.
  2. It is supported in VRF OSPF instances.
  3. It is supported when a traffic engineering tunnel interface is protected.
  4. It is supported when traffic can be redirected to a primary neighbor.
Correct answer: B
Question 3
  
Refer to the exhibit. You have configured a VRF named Blue on R1 as shown. Which action must you take to enable uRPF on the R1 interface E1/0?
  1. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E1/0.
  2. Configure the ip verify unicast source reachable-via rx allow-default command under the VRF Blue process.
  3. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E0/1.
  4. Configure the ip verify unicast source reachable-via rx allow-default command on interface E1/0.
  5. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command under the VRF Blue process.
Correct answer: D
Question 4
Which two statements about DMVPN with NHRP are true? (Choose two.)
  1. The spoke routers act as the NHRP servers.
  2. NHRP disables multicast.
  3. The hub router uses NHRP to initiate the GRE tunnel with spokes.
  4. NHRP dynamically provides information about the spoke routers to the hub.
  5. NHRP shortens the configuration of the hub router.
Correct answer: DE
Question 5
Refer to the exhibit. 
  
Which two possible network conditions can you infer from this configuration? (Choose two.)
  1. The authentication parameters on R1 and R2 are mismatched.
  2. R1 is using the default NTP source configuration.
  3. R1 and R2 have established an NTP session.
  4. R2 is configured as the NTP master with a stratum of 7.
Correct answer: AB
Explanation:
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Question 6
Drag each NTP command on the left to its effect on the right.  
Correct answer: To work with this question, an Exam Simulator is required.
Question 7
What are the three variants of NTPv4? (Choose three.)
  1. symmetric
  2. unicast
  3. client/server
  4. broadcast
  5. multicast
  6. asymmetric
Correct answer: ACD
Question 8
Which three statements about EVCs are true? (Choose three.)
  1. Spanning Tree must use RSTP mode on EVC ports.
  2. Spanning Tree must use MST mode on EVC ports.
  3. LACP is supported on EVC ports.
  4. Layer 2 multicast framing is supported.
  5. Bridge domain routing is required.
  6. PAGP is supported on EVC ports.
Correct answer: BCF
Question 9
  
Refer to the exhibit. The Main1 and Branch1 switches are connected directly over an MPLS pseudowire, and both run UDLD. After router B1 reloads because of a power failure, the pseudowire is restored. However, the Branch1 switch is unable to reach the Main1 switch. 
Which two actions can you take to restore connectivity and prevent the problem from recurring? (Choose two.)
  1. Issue the shutdown and no shutdown commands on the Branch1 switch uplink to the B1 router only.
  2. Configure a backup GRE tunnel between the Main1 and Branch1switches.
  3. Issue the shutdown and no shutdown commands on both the Branch1 switch uplink to the B1 router and the Main1 switch’s uplink to the M1 router.
  4. Configure a backup pseudowire between the Main1 and Branch1 switches.
  5. Enable UDLD recovery on both the Main1 and Branch1 switches.
  6. Enable errdisable recovery on both the Main1 and Branch1 switches.
Correct answer: CF
Question 10
  
Refer to the exhibit. While reviewing a log file on a router with this NTP configuration, you note that the log entries of the router display a different time than the NTP time. Which action can you take to correct the problem?
  1. Remove the datetime keyword from the service timestamps log datetimestatement
  2. Add the localtime keyword to the service timestamps log datetimestatement
  3. Add the mseckeyword to the service timestamps log datetimestatement.
  4. Configure the router to be the NTP master.
  5. Add the statement ntp broadcast to the NTP configuration of the neighboring router.
Correct answer: B
Question 11
Which statement about WAN Ethernet Services is true?
  1. Rate-limiting can be configured per EVC.
  2. Point-to-point processing and encapsulation are performed on the customer network.
  3. Ethernet multipoint services function as a multipoint-to-multipoint VLAN-based connection.
  4. UNIscan perform service multiplexing and all-in-one bundling.
Correct answer: A
Explanation:
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. 
Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
Question 12
Which statement about the OSPF Loop-Free Alternate feature is true?
  1. It is supported on routers that are configured with virtual links.
  2. It is supported in VRF OSPF instances.
  3. It is supported when a traffic engineering tunnel interface is protected.
  4. It is supported when traffic can be redirected to a primary neighbor.
Correct answer: B
Question 13
  
Refer to the exhibit. You have configured a VRF named Blue on R1 as shown. Which action must you take to enable uRPF on the R1 interface E1/0?
  1. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E1/0.
  2. Configure the ip verify unicast source reachable-via rx allow-default command under the VRF Blue process.
  3. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E0/1.
  4. Configure the ip verify unicast source reachable-via rx allow-default command on interface E1/0.
  5. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command under the VRF Blue process.
Correct answer: D
Question 14
Which two statements about DMVPN with NHRP are true? (Choose two.)
  1. The spoke routers act as the NHRP servers.
  2. NHRP disables multicast.
  3. The hub router uses NHRP to initiate the GRE tunnel with spokes.
  4. NHRP dynamically provides information about the spoke routers to the hub.
  5. NHRP shortens the configuration of the hub router.
Correct answer: DE
Question 15
Refer to the exhibit. 
  
Which two possible network conditions can you infer from this configuration? (Choose two.)
  1. The authentication parameters on R1 and R2 are mismatched.
  2. R1 is using the default NTP source configuration.
  3. R1 and R2 have established an NTP session.
  4. R2 is configured as the NTP master with a stratum of 7.
Correct answer: AB
Explanation:
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Question 16
Drag each NTP command on the left to its effect on the right.  
Correct answer: To work with this question, an Exam Simulator is required.
Question 17
What are the three variants of NTPv4? (Choose three.)
  1. symmetric
  2. unicast
  3. client/server
  4. broadcast
  5. multicast
  6. asymmetric
Correct answer: ACD
Question 18
Which three statements about EVCs are true? (Choose three.)
  1. Spanning Tree must use RSTP mode on EVC ports.
  2. Spanning Tree must use MST mode on EVC ports.
  3. LACP is supported on EVC ports.
  4. Layer 2 multicast framing is supported.
  5. Bridge domain routing is required.
  6. PAGP is supported on EVC ports.
Correct answer: BCF
Question 19
  
Refer to the exhibit. The Main1 and Branch1 switches are connected directly over an MPLS pseudowire, and both run UDLD. After router B1 reloads because of a power failure, the pseudowire is restored. However, the Branch1 switch is unable to reach the Main1 switch. 
Which two actions can you take to restore connectivity and prevent the problem from recurring? (Choose two.)
  1. Issue the shutdown and no shutdown commands on the Branch1 switch uplink to the B1 router only.
  2. Configure a backup GRE tunnel between the Main1 and Branch1switches.
  3. Issue the shutdown and no shutdown commands on both the Branch1 switch uplink to the B1 router and the Main1 switch’s uplink to the M1 router.
  4. Configure a backup pseudowire between the Main1 and Branch1 switches.
  5. Enable UDLD recovery on both the Main1 and Branch1 switches.
  6. Enable errdisable recovery on both the Main1 and Branch1 switches.
Correct answer: CF
Question 20
  
Refer to the exhibit. While reviewing a log file on a router with this NTP configuration, you note that the log entries of the router display a different time than the NTP time. Which action can you take to correct the problem?
  1. Remove the datetime keyword from the service timestamps log datetimestatement
  2. Add the localtime keyword to the service timestamps log datetimestatement
  3. Add the mseckeyword to the service timestamps log datetimestatement.
  4. Configure the router to be the NTP master.
  5. Add the statement ntp broadcast to the NTP configuration of the neighboring router.
Correct answer: B
Question 21
Which statement about WAN Ethernet Services is true?
  1. Rate-limiting can be configured per EVC.
  2. Point-to-point processing and encapsulation are performed on the customer network.
  3. Ethernet multipoint services function as a multipoint-to-multipoint VLAN-based connection.
  4. UNIscan perform service multiplexing and all-in-one bundling.
Correct answer: A
Explanation:
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
The MEF has defined a set of bandwidth profiles that can be applied at the UNI or to an EVC. A bandwidth profile is a limit on the rate at which Ethernet frames can traverse the UNI or the EVC. 
Reference. http://www.ciscopress.com/articles/article.asp?p=101367&seqNum=2
Question 22
Which statement about the OSPF Loop-Free Alternate feature is true?
  1. It is supported on routers that are configured with virtual links.
  2. It is supported in VRF OSPF instances.
  3. It is supported when a traffic engineering tunnel interface is protected.
  4. It is supported when traffic can be redirected to a primary neighbor.
Correct answer: B
Question 23
  
Refer to the exhibit. You have configured a VRF named Blue on R1 as shown. Which action must you take to enable uRPF on the R1 interface E1/0?
  1. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E1/0.
  2. Configure the ip verify unicast source reachable-via rx allow-default command under the VRF Blue process.
  3. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command on interface E0/1.
  4. Configure the ip verify unicast source reachable-via rx allow-default command on interface E1/0.
  5. Configure the ip verify vrf Blue unicast source reachable-via rx allow-default command under the VRF Blue process.
Correct answer: D
Question 24
Which two statements about DMVPN with NHRP are true? (Choose two.)
  1. The spoke routers act as the NHRP servers.
  2. NHRP disables multicast.
  3. The hub router uses NHRP to initiate the GRE tunnel with spokes.
  4. NHRP dynamically provides information about the spoke routers to the hub.
  5. NHRP shortens the configuration of the hub router.
Correct answer: DE
Question 25
Refer to the exhibit. 
  
Which two possible network conditions can you infer from this configuration? (Choose two.)
  1. The authentication parameters on R1 and R2 are mismatched.
  2. R1 is using the default NTP source configuration.
  3. R1 and R2 have established an NTP session.
  4. R2 is configured as the NTP master with a stratum of 7.
Correct answer: AB
Explanation:
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters. Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.
Question 26
Drag each NTP command on the left to its effect on the right.  
Correct answer: To work with this question, an Exam Simulator is required.
Question 27
What are the three variants of NTPv4? (Choose three.)
  1. symmetric
  2. unicast
  3. client/server
  4. broadcast
  5. multicast
  6. asymmetric
Correct answer: ACD
Question 28
Which three statements about EVCs are true? (Choose three.)
  1. Spanning Tree must use RSTP mode on EVC ports.
  2. Spanning Tree must use MST mode on EVC ports.
  3. LACP is supported on EVC ports.
  4. Layer 2 multicast framing is supported.
  5. Bridge domain routing is required.
  6. PAGP is supported on EVC ports.
Correct answer: BCF
Question 29
  
Refer to the exhibit. The Main1 and Branch1 switches are connected directly over an MPLS pseudowire, and both run UDLD. After router B1 reloads because of a power failure, the pseudowire is restored. However, the Branch1 switch is unable to reach the Main1 switch. 
Which two actions can you take to restore connectivity and prevent the problem from recurring? (Choose two.)
  1. Issue the shutdown and no shutdown commands on the Branch1 switch uplink to the B1 router only.
  2. Configure a backup GRE tunnel between the Main1 and Branch1switches.
  3. Issue the shutdown and no shutdown commands on both the Branch1 switch uplink to the B1 router and the Main1 switch’s uplink to the M1 router.
  4. Configure a backup pseudowire between the Main1 and Branch1 switches.
  5. Enable UDLD recovery on both the Main1 and Branch1 switches.
  6. Enable errdisable recovery on both the Main1 and Branch1 switches.
Correct answer: CF
Question 30
  
Refer to the exhibit. While reviewing a log file on a router with this NTP configuration, you note that the log entries of the router display a different time than the NTP time. Which action can you take to correct the problem?
  1. Remove the datetime keyword from the service timestamps log datetimestatement
  2. Add the localtime keyword to the service timestamps log datetimestatement
  3. Add the mseckeyword to the service timestamps log datetimestatement.
  4. Configure the router to be the NTP master.
  5. Add the statement ntp broadcast to the NTP configuration of the neighboring router.
Correct answer: B
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