Practice Free 300-410 Exam Online Questions
Refer to the exhibit.
The control plane is heavily impacted after the CoPP configuration is applied to the router.
Which command removal lessens the impact on the control plane?
- A . access-list 120 permit udp any any eq pim-auto-rp
- B . access-list 120 permit eigrp any host 224.0.0.10
- C . access-list 120 permit ospf any
- D . access-list 120 permit tcp any gt 1024 eq bgp log
Which label operations are performed by a label edge router?
- A . SWAP and POP
- B . SWAP and PUSH
- C . PUSH and PHP
- D . PUSH and POP
D
Explanation:
A label edge router (LER, also known as edge LSR) is a router that operates at the edge of an MPLS network and acts as the entry and exit points for the network. LERs push an MPLS label onto an incoming packet and pop it off an outgoing packet.
Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/mpls/configuration/guide/mpls_cg/mp_mpls_overview.pdf
DRAG DROP
Drag and drop the MPLS VPN device types from me left onto the definitions on the right.
Which two features are required for MPLS forwarding on which types of routers? (Choose two.)
- A . MPLS on CE and core routers
- B . LDP on PE and core routers
- C . LDP on PE and CE routers
- D . MPLS on PE and core routers
- E . CEF on PE and CE routers
Refer to the exhibit.
A client is concerned that passwords are visible when running this show archive log config all.
Which router configuration is needed to resolve this issue?
- A . MASS-RTR(config-archive-log-cfg)#password encryption aes
- B . MASS-RTR(config)#aaa authentication arap
- C . MASS-RTR(config)#service password-encryption
- D . MASS-RTR(config-archive-log-cfg)#hidekeys
D
Explanation:
Which IP precedence value does BFD use to prioritize traffic within an infrastructure device?
- A . 4
- B . 5
- C . 6
- D . 7
An engineer needs dynamic routing between two routers and is unable to establish OSPF adjacency.
The output of the show ip ospf neighbor command shows that the neighbor state is EXSTART/EXCHANGE.
Which action should be taken to resolve this issue?
- A . match the passwords
- B . match the hello timers
- C . match the MTUs
- D . match the network types
C
Explanation:
Refer to the exhibit.
A customer reported an issue with a fiber link failure between RC and RE Users connected through the spoke location face disconnection and packet drops with the primary email server (172.16.16.1) but have no issues with the backup email server (172.16.26.1). All the router loopback IPs are advertised through the OSPF protocol.
Which configuration resolves the issue?
- A . Option A
- B . Option B
- C . Option C
- D . Option D
Which table is used to map the packets in an MPLS LSP that exit from the same interface, via the same next hop, and have the same queuing policies?
- A . RIB
- B . FEC
- C . LDP
- D . CEF
Refer to the exhibit.
After a security hardening was performed on a router, the administrator cannot access the command line of any remote device.
Which action resolves the issue?
- A . Remove the transport output none command from the line con 0 section.
- B . Remove the egress ACL blocking Telnet and SSH on the router interfaces.
- C . Move Telnet and SSH commands to a nonzero privilege level.
- D . Modify the AAA policy to allow the user to run the Telnet and SSH commands.