Practice Free H12-891_V1.0-ENU Exam Online Questions
Which of the following descriptions of TTL in MPLS Header is correct?
- A . To control label distribution
- B . Limit LSR
- C . Functions similar to the TTL in the IP header, used to prevent packet loops
- D . Used to control upstream devices during label distribution
In a virtualized campus network scenario, all devices in the VXLAN domain must support VXLAN features.
- A . True
- B . False
Assume that the neighbor relationship between BGP routers has been successfully established, and the configuration on R1 is as shown in the figure.
Then to which router can the routing entry 10.10.10.0/24 published by R1 be transmitted farthest?
- A . R4
- B . R1
- C . R2
- D . R3
All routers in a network enable the SR-MPLS function based on OSPF. The SRGB of each router is as shown in the figure. By default, when R2 forwards a data packet with the destination address 10.0.4.4, which item is the MPLS label carried?
- A . 40100
- B . 3
- C . 30100
- D . 100
When configuring access authentication, you need to define various contents authorized to the user in the authorization result. Which of the following does not include?
- A . Security group
- B . IP address
- C . VLAN
- D . ACL
Which of the following descriptions about traffic policing is correct?
- A . Traffic policing will discard traffic that exceeds the limit.
- B . Traffic policing will cache traffic that exceeds the limit.
- C . Traffic policing can only be used in the outbound direction.
- D . Traffic policing can only be used in the inbound direction.
When configuring an OSPF-based SRMPLSTE tunnel, which of the following commands are necessary? (Multiple choice)
- A . Enable segment-routing in OSPF process view
- B . Enable OSPF’s Opaque capability
- C . Configure the lsr-id of the router
- D . Enable mpIs-te in OSPF process view
iMaster NCE service is open and programmable. Which of the following protocols can be used to complete device configuration?
- A . BGP
- B . CLI/SSH
- C . NETCON
- D . SNMP
Single-bucket double-speed token bucket can allow short-term burst traffic, so traffic policing can have the same effect as traffic shaping after using single-bucket double-speed token bucket.
- A . True
- B . False
Which of the following reasons may cause BGP neighbor relationship failure? (Multiple choice)
- A . When establishing a neighbor relationship using the Loopback interface, the peer connect interface is not configured.
- B . Use Loopback interface to establish EBGP neighbor without peer ebgp – max thop configured.
- C . ACL filters TCP port 179
- D . Neighbor’s Router ID conflict