최신Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) - H12-221-ENU무료샘플문제

A. 3000~3999

B. 0~1000

C. 2000~3999

D. 1000~3999

A. The default OSPF reference bandwidth is 100 Mbit/s.

B. A broadcast network segment or NBMA network segment with at least two routers is a Transit network segment.

C. The cost of a Transit network segment to a router connected to this network segment is 100.

D. There are three types of endpoints in the topology formed by OSPF. Router node, stub network segment and Transit network segment.

A. Destination address

B. Port number

C. Source address

D. Types and Message Codes of ICMP Messages

A. The cost of the first external route of OSPF is the sum of the internal cost of AS (the router-to-ASBR overhead) and the AS external cost.

B. With the same other conditions, the first type of external route of OSPF is always preferred over the second type of external route.

C. The cost of the second type of OSPF external route is AS external cost.

D. OSPF is divided into the first type of external routes and the second type of external routes.

A. RIPv1

B. RIPv2

C. BGP

D. OSPF

A. BGP uses multicast updates.

B. BGP sends complete routing table information for each route update.

C. BGP works on the transport layer and the UDP protocol number is 179.

D. The BGP sends an OPEN packet to detect TCP connectivity.

E. BGP does not require periodic updates.

A. internet

B. no-advertised

C. advertised

D. no-export

A. The route injected through the network must exist in the IP routing table.

B. By default, BGP does not publish any local network routes.

C. network cannot be used with the corresponding policy.

D. The injected route needs to strictly match the mask length in the IP routing table.

A. HELLO messages are sent periodically between peers to maintain the connection.

B. ROUTE-REFRESH is used to notify peers of their ability to support route refresh.

C. UPDATE messages are used to pass routing information between BGP peers.

D. NOTIFICATIOP. messages are used to pass error messages between BGP SPEAKER.

E. The OPEN message is responsible for establishing a neighbor relationship with the peer.

A. The combination of LS sequence number, link state id and advertising router together identify an LSA

B. The combination of LS TYPE linke state id and LS sequence number together identify an LSA

C. The combination of LS TYPE, LINK STATE ID and ADVERTISING ROUTER together identify an LSA

D. The combination of LS TYPE, LS SEQUENCE NUMBER and advertising router together identifies an LSA

A. The response message and the query message of the IGMPv1 and v2 versions have different message structures.

B. Serving the SSM model.

C. Allow the host to specify to receive certain multicast groups sent by some networks.

D. Added host control capability, not only can specify multicast groups, but also specify the source of multicast.

A. BR

B. IR

C. ASBR

D. ABR

A. Down->Init

B. Loading->Full

C. Down->2-Way

D. Init->2-Way