题目内容
（请给出正确答案）
[单选题]
Which two fields are found in an Ethernet frame？（）
A.Version
B.TTL
C.Checksum
D.Flags
E.Data
提问人：网友fz_1981
发布时间：2022-01-07
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A. TTL
B. flags
C. checksum
D. type
题目内容
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更多“Which two fields are found in …”相关的问题
第2题
Two devices on an Ethernet segment sent frames at the same time causing a collision. Which twostatements are true?()
A. Both devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmit
B. The device with the lowest MAC address is permitted to retrannsmit first
C. The device with the lowest MAC address sends a jam signal to notify all other devices of the collision
D. Both devices send a jam signal to notify all other devices of the collision
第3题
As soon as it was revealed that a reporter for Progressive magazine had discovered how to make a hydrogen bomb, a group of firearm(火器)fans formed the National Hydrogen Bomb Association, and they are now lobbying against any legislation to stop Americans from owning one.
点击查看答案
"The Constitution," said the association's spokesman, "gives everyone the right to own arms. It doesn't spell out what kind of arms. But since anyone can now make a hydrogen bomb, the public should be able to buy it to protect themselves."
"Don't you think it's dangerous to have one in the house, particularly where there are children around?"
"The National Hydrogen Bomb Association hopes to educate people in the safe handling of this type of weapon. We are instructing owners to keep the bomb in a locked cabinet and the fuse(导火索)separately in a drawer."
"Some people consider the hydrogen bomb a very fatal weapon which could kill somebody."
The spokesman said, "Hydrogen bombs don't kill people--people kill people. The bomb is for self-protection and it also has a deterrent effect. If somebody knows you have a nuclear weapon in your house, they're going to think twice about breaking in."
"But those who want to ban the bomb for American citizens claim that if you have one locked in the cabinet, with the fuse in a drawer, you would never be able to assemble it in time to stop an intruder(侵入者).”
"Another argument against allowing people to own a bomb is that at the moment it is very expensive to build one. So what your association is hacking is a program which would allow the middle and upper classes to acquire a bomb while poor people will be left defenseless with just handguns."
According to the passage, some people started a national association so as to ______.
A．block any legislation to ban the private possession of the bomb
B．coordinate the mass production of the destructive weapon
C．instruct people how to keep the bomb safe at home
D．promote the large-scale sale of this newly invented weapon
第4题
As soon as it was revealed that a reporter for progressive magazine had discovered how to make a hydrogen bomb, a group of firearm (火器) fans formed the National Hydrogen Bomb Association, and they are now lobbying against any legislation to stop Americans from owning one.
点击查看答案
"The Constitution," said the association's spokesman, "gives everyone the right to own arms. It doesn't spell out what kind of arms. But since anyone can now make a hydrogen bomb, the public should be able m buy it to protect themselves."
"Don't you think it's dangerous to have one in the house, particularly where there are children around?"
"The National Hydrogen Bomb Association hopes to educate people in the safe handling of this type of weapon. We axe instructing owners to keep the bomb in a locked cabinet and the fuse(导火索 ) separately in a drawer."
"Some people consider the hydrogen bomb a very fatal weapon which could kill somebody."
The spokesman said, "Hydrogen bombs don't kill people—people kill people. The bomb is for selfprotection and it also has a deterrent effect. If somebody knows you have a nuclear weapon in your house, they're going to think twice about breaking in."
"But those who want to ban the bomb for American citizens claim that if you have one locked in the cabinet, with the fuse in a drawer, you would never be able to assemble it in time to stop an intruder(侵入者)."
"Another argument against allowing people to own a bomb is that at the moment it is very expensive to build one. So what your association is backing is a program which would allow the middle and upper classes to acquire a bomb while poor people will be left defenseless with just handguns."
According to the passage, some people started a national association so as to ______.
A．block any legislation to ban the private possession of the bomb
B．coordinate the mass production of the destructive weapon
C．instruct people how to keep the bomb safe at home
D．promote the largescale sale of this newly invented weapon
第5题
A company's income statement showed the following: net income, $124,000; depreciation expense, $30,000; and gain on sale of plant assets, $14,000. An examination of the company's current assets and current liabilities showed the following changes as a result of operating activities: accounts receivable decreased $9,400; merchandise inventory increased $18,000; prepaid expenses decreased $6,200; accounts payable increased $3,400. Calculate the net cash provided or used by operating activities.
第6题
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?()
A.The ERX router sends an Active Discovery Off ermessage.
B.The ERX router sendsan Active Discovery Initiation message.
C.The customer device sends an Active Discovery Offer message.
D.The customer device sends an Active Discovery Initiation message.
第8题
Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?()
A. An Adjacency forms.
B. An Adjacency does not form.
C. An Adjacency forms but traffic is not forwarded.
D. No IS-IS PDUs are sent.
