更多"When a packet is sent from Host 1 t"的相关试题:
[单项选择]R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。
A. The frame does not have MAC addresses.
B. The source MAC address in the frame is the MAC address of the NIC of Host 1.
C. The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1.
D. The destination MAC address in the frame is the MAC address of the NICof server 1.
E. The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2
[单项选择]Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
A. No, it receives the MSI from ship stations
B. Yes, it can
C. only with NBDP terminal, can it receives the MSI sent from coast stations
D. No, it can not receive the MSI sent from coast stations
[单项选择]Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）
A. Layer 2 TTL
B. Layer 3 TTL
C. Layer 3 source address
D. Layer 3 destination address
[单项选择]They have declared that they will ______ from hostile action.
A. prevent
B. restrain
C. hinder
D. refrain
[单项选择]When a host transmits data across a network to another host, which process does the data go through?（）
A. standardization
B. conversion
C. encapsulation
D. synchronization
[单项选择]What happens when Host Checker is configured to perform checks every "0" minutes? （）
A. Host Checker is disabled.
B. Host Checker will perform continous checks.
C. Host Checker will perform checks when user logs out.
D. Host Checker will perform checks when user first logs in.
[单项选择]When changing from a compass course to a true course you should apply（）.
A. variation
B. deviation
C. variation and deviation
D. a correction for the direction of current set
[单项选择]When viewed from above，the best position for the guy in relation to the boom is（）.
A. At a 45° angle
B. At right angles
C. 4 feet aft of the heel of the boom
D. Parallel to the boom
[单项选择]He sent（）from Canada.
A. her a card
B. to her a card
C. card to her
D. to her card
[多项选择] When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）
A. any route advertisements it has received
B. prefixes for the link
C. keepalive timers
D. IPv6 address for the host
E. request for the local host IP address
F. lifetime of the prefix
[单项选择]When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.
A. remove their life preservers to make it easier to climb on board the rescue vessel
B. climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C. remain seated inside and make the transfer one person at a time
D. enter the water and swim over to the rescue vessel
[单项选择]When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
A. Should not exceed
B. Must be up to
C. Should exceed
D. Should be about
[单项选择]When he heard from the hospital that his father had died, he ______into tears.
A. burst
B. fallen
C. went
D. fell
[单项选择]When she returned from the meeting, Miss green found ______ her lesson.
[单项选择]Host 1 receives a file from remote server 1. Which MAC address appears as the source address in the header of the frames received by Host 1（）。
A. The MAC address of the NIC in Host 1
B. The MAC address of the NIC in server 1
C. The MAC address of the Fa0/0 interface of router R1
D. The MAC address of the s0/0/0 interface of the router R2
[单项选择]When he returned from the company, he found that his bag______.
[单项选择]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and （）.
A. slightly acidic
B. slightly alkaline
C. no salty
D. slightly bitter
[单项选择]When cargo is shifted from the main deck into the lower hold of a vessel,（）.
A. The metacenter will move downward
B. The GM will increase
C. The center of buoyancy will move upward
D. The list of the vesel will become great
