A) 8
B) 16
C) 24
D) 32
Correct Answer
verified
Multiple Choice
A) OSPF Router ID of an LSA's originator
B) Port IP address of the DR on the described network segment
C) Address of the destination network segment
D) Router ID of the destination ASBR
Correct Answer
verified
Multiple Choice
A) The router with the highest priority is elected as the master router.
B) The master router sends gratuitous ARP packets to inform connected devices or hosts of its virtual MAC address.
C) If the master router fails, the backup router with the highest priority is elected as the new master router.
D) To ensure fast convergence, a backup router immediately becomes the master router if the priority of the backup router is higher than the priority of the master router.
Correct Answer
verified
Multiple Choice
A) LSR
B) LER
C) Label distribution router
D) Label transmit router
Correct Answer
verified
Multiple Choice
A) Backbone network
B) Transport network
C) Data center network
D) Wireless network
E) Storage network
F) None of the above
Correct Answer
verified
Multiple Choice
A) Both BGP routes are advertised to other BGP peers.
B) Only the optimal route selected from the two BGP routes is advertised to other BGP peers.
Correct Answer
verified
Multiple Choice
A) Provide a database backup tool.
B) Support multi-user management.
C) Support management of the WLAN and MPLS VPN.
D) Support hierarchical management model.
Correct Answer
verified
Multiple Choice
A) Create a VLAN
B) Create or enter VLAN interface view
C) Configure a VLAN for port
D) Configure PVID
Correct Answer
verified
Multiple Choice
A) VRRP is a redundancy protocol designed for a multicast- or broadcast-capable LAN such as the Ethernet. VRRP ensures that traffic is switched to another router when the next-hop router for a host on the LAN fails. This guarantees the reliability and non-stop forwarding of services.
B) In VRRP, two virtual router ID and a virtual IP address need to be configured on a router to generate a virtual MAC address. A virtual router is formed.
C) Hosts on a network can communication with a virtual router without knowing any information about physical routers on the network.
D) A virtual router consists of a master router and several backup routers. The master router forwards packets. When the master router fails, a backup router takes over as the master router.
Correct Answer
verified
Multiple Choice
A) Port isolation is a mechanism that controls the access between switch interfaces.
B) Port isolation is an isolation mechanism at the physical layer.
C) Port isolation prevents the computers connected to different ports from accessing each other.
D) Port isolation can be configured based on VLANs.
Correct Answer
verified
Multiple Choice
A) IS-IS supports more network types.
B) IS-IS supports more area types.
C) IS-IS has better scalability.
D) IS-IS supports fewer protocol packet types.
Correct Answer
verified
Multiple Choice
A) VRRP can improve the reliability of default gateway.
B) VRRP increase the convergence speed of routing protocol.
C) VRRP is mainly used for traffic balance.
D) VRRP can provide one default gateway for different network segments, it simplifies the gateway configuration for PC.
Correct Answer
verified
Multiple Choice
A) For device software maintenance, onsite operations are allowed but only remote operations are recommended.
B) The device software running is closely related to services running on the device.
C) The external environment where hardware runs does not need special attention.
D) For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.
Correct Answer
verified
Multiple Choice
A) Less than 10
B) Less than 20
C) Less than 30
D) Less than 40
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) 0x9200
B) 0x9100
C) 0x8200
D) 0x8100
Correct Answer
verified
Multiple Choice
A) Use command "ospf cost 10" on two routers
B) Use command "ospf cost 5" on two routers
C) Use command "bandwidth-reference 500" on two routers to change bandwidth-reference value
D) Use command "bandwidth-reference 1000" on two routers to change bandwidth-reference
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) The routes received from the BGP peer are matched first with IP-prefix and then with route-policy.
B) The routes received from the BGP peer are matched first with route-policy and then with IP-prefix.
C) The routes sent to the BGP peer are matched first with IP-prefix and then with route-policy.
D) The routes sent to the BGP peer are matched first with route-policy and then with IP-prefix.
Correct Answer
verified
True/False
Correct Answer
verified
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