The protocol of the link layer encapsulation on the point-to-point connection line mainly includes PPP and
HDLC.
However, the HDLC protocol only supports the synchronous mode, and the PPP protocol supports both
the synchronous and asynchronous transmission modes.
A. True
B. False
Which of the following protocols does the FTP protocol provide for reliable data transfer?
A. RTP
B. SIP
C. UDP
D. TCP
On the VRP platform, direct routing, static routing, RIP, and OSPF are sorted according to the default route priority from high to low.
A. Direct route, static route, RIP, OSPF
B. Direct routing, OSPF, static routing, RIP
C. Direct routing, OSPF, RIP, static routing
D. Direct routing, RIP, static routing, OSPF
Fragmentation can occur on the original sender host or on the intermediate router. After sharding an IP datagram, which of the following cases will be reassembled?
A. When the message is looped back
B. Next router
C. Intermediate router
D. Message destination
Which parameters must be specified to configure a static MAP in a Frame Relay package? (multiple choice)
A. Local DLCI
B. Peer DLCI
C. Local protocol address
D. The protocol address of the peer
The requirements for OSPF protocol deployment in network planning are correct (multiple choice)? (multiple choice)
A. Select the IP address of the loopback0 interface as the router ID.
B. Select a high-performance router as the DR/BDR in the network segment.
C. Ensure that the backbone area (Area 0) is physically continuous and does not use virtual links (Virtuallink).
D. Select a device with high-performance processor memory in the network as the ABR
What is the device responsible for authenticating, authorizing, and assigning an IP address to a user in a metropolitan area network?
A. SSLAM
B. SWITCH
C. BRAS
D. Router
Regarding the trunk port, what are the correct descriptions below? (multiple choice)
A. When the trunk port receives the frame, if the frame does not contain the 802.1Q tag header, the PVID of the port will be marked.
B. When the trunk port receives the frame, if the frame contains the 802.1Q tag header, it does not change.
C. When a trunk port sends a frame, when the VLAN ID of the frame is different from the PVID of the port, direct transmission is transparent.
D. When a trunk port sends a frame, when the VLAN ID of the frame is the same as the PVID of the port, the tag operation is not performed.
A switch that uses STP, its one port goes from the learning state to the forwarding state to go through a forwarding delay. By default, how many seconds is the forwarding delay?
A. 10
B. 15
C. 20
D. 30
What is the network structure that all sites are connected to on the public transmission medium?
A. Bus type
B. Tree type
C. Ring
D. Net type
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