最新的Huawei Certified Datacom Professional - Fast Certification - ENU - H12-224免費考試真題

A. MPLS replaces IP forwarding with label switching

B. The router can aggregate multiple IP flows into an FEC according to the forwarding target

C. Network connections must be established before the packets carrying MPLS labels can be transmitted

D. MPLS supports various network layer protocols and the packets carrying MPLS labels must be encapsulated into PPP frames be fames before being transmitted

E. MPLS labels uniquely identify specific packets in different subnets

A. By default interfaces are isolated at Layer 2 but can communicate at Layer 3

B. Port isolation can be used for configuring Layer 2 isolation.

C. The port-isolate enable command can run in the system view.

D. Before the port isolation function takes effect on an interface, the port isolation function must be enabled.

A. fitter

B. Delay

C. Security

D. Bandwidth

E. Stability

A. Accounting server address and port

B. Authentication server IP address and port

C. Shared-key

D. Automatic RADIUS user detection

A. SNAP

B. LAN(broadcast network)

C. P2MP

D. NBMA

A. HSIC

B. SWIC

C. SIC

D. XSIC

A. Route calculation

B. Link information exchange

C. Router advertisement

D. Neighbor relationship establishment

A. After receiving the DHCP Discover packet the DHCP sends a DHCP offer packet containing the leased IP and server

B. The DHCP client broadcasts a DHCP Discover packet The
DHCP server replies to the packet

C. The DHCP client only needs to broadcast a DHCP Request packet containing the IP address obtained last time but does not

D. After receiving the DHCP Request packet the DHCP server returns a DHCP ACK packet if the requested IP address is not allow.

A. The AS. Path attribute records all the ASs that a BGP route passes through on the transmission path In route selection rules a route with a shorter AS

B. Next hop is a well-known mandatory attribute of BGP mutes

C. The AS_Path attribute records all the ASs that a BGP route passes through on the transmission path In route selection rules a route with a shorter AS_checked in IBGP

D. BGP does not accept the mutes whose AS_Path attribute contains the local AS number

A. BGP uses the TCP port 179.

B. BGP uses TCP as the transport protocol.

C. BGP Is an interdomain rout

D. BGP uses the same algorithm as RIP, namely, distant

A. 8

B. 3

C. 1

A. Association between VRRP and BFD. is configured to implement a rapid master/backup switchover

B. VRRP packets are discarded randomly because congestion occurs

C. The link where VRRP Advertisement packets are transmitted changes form Up to Down frequently

D. The interval for sending VRRP Advertisement packets is small

A. Multiple users can be created for network management Users may be asked to log in to

B. % The administrator can force unauthorized login users to log out.

C. eSight from specified IP addresses in specific time ranges.

D. % The login time of the administrator role also can be limited.

A. Point-to-Point describes about the Point-to-point connection from the local router to a neighboring

B. SubNet describes a connection form the local router to a stub network segment

C. TransNet describes a connection form the local router to a transit network segment

D. P2MP describes connections from the local router to multiple neighboring routers

A. Forwarding

B. Discarding Learning and Forwarding

C. Discarding

D. Learning