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Which command must be configured first to troubleshoot this issue?
While troubleshooting connectivity issues to a router, these details are noticed: ✑ Standard pings to all router interfaces, including loopbacks, are successful. ✑ Data traffic is unaffected. ✑ SNMP connectivity is intermittent. ✑ SSH is either slow or disconnects frequently. Which command must be configured first to troubleshoot this issue?A...
Which label operations are performed by a label edge router?
Which label operations are performed by a label edge router?A . SWAP and POPB . SWAP and PUSHC . PUSH and PHPD . PUSH and POPView AnswerAnswer: D Explanation: A label edge router (LER, also known as edge LSR) is a router that operates at the edge of an MPLS...
Which statement about IPv6 RA Guard is true?
Which statement about IPv6 RA Guard is true?A . It does not offer protection in environments where IPv6 traffic is tunneled.B . It cannot be configured on a switch port interface in the ingress direction.C . Packets that are dropped by IPv6 RA Guard cannot be spanned.D . It is...
What is needed to fix the problem?
Refer to the exhibit. During troubleshooting it was discovered that the device is not reachable using a secure web browser. What is needed to fix the problem?A . permit tcp port 443B . permit udp port 465C . permit tcp port 465D . permit tcp port 22View AnswerAnswer: A
Why is the summary route missing?
Refer to the exhibit. An engineer is trying to generate a summary route in OSPF for network 10.0.0.0/8, but the summary route does not show up in the routing table. Why is the summary route missing?A . The summary-address command is used only for summarizing prefixes between areas.B . The...
What is the reason for this?
Refer to the exhibit. An engineer configures a static route on a router, but when the engineer checks the route to the destination, a different next hop is chosen. What is the reason for this?A . Dynamic routing protocols always have priority over static routes.B . The metric of the...
Which SNMP verification command shows the encryption and authentication protocols that are used in SNMPV3?
Which SNMP verification command shows the encryption and authentication protocols that are used in SNMPV3?A . show snmp groupB . show snmp userC . show snmpD . show snmp viewView AnswerAnswer: B
Which two actions resolve the issue?
Refer to the exhibit. After applying IPsec, the engineer observed that the DMVPN tunnel went down, and both spoke-to-spoke and hub were not establishing. Which two actions resolve the issue? (Choose two.)A . Configure the crypto isakmp key cisco address 192.1.1.1 on R2 and R3B . Configure the crypto isakmp...
Which configuration adds an IPv4 interface to an OSPFv3 process in OSPFv3 address family configuration?
Which configuration adds an IPv4 interface to an OSPFv3 process in OSPFv3 address family configuration?A . Router ospf3 1 address-family ipv4B . Router(config-router)#ospfv3 1 ipv4 area 0C . Router(config-if)#ospfv3 1 ipv4 area 0D . Router ospfv3 1 address-family ipv4 unicastView AnswerAnswer: C Explanation: Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/xe-3s/iro-xe-3s-book/ip6-route-ospfv3-add-fam-xe.html
What is an advantage of using BFD?
What is an advantage of using BFD?A . It detects local link failure at layer 1 and updates routing table.B . It detects local link failure at layer 2 and updates routing protocols.C . It has sub-second failure detection for layer 1 and layer 3 problems.D . It has sub-second...
