During the check and accept testing for the ZXCTN equipment, the delay is an important

A.check whether system version is correct

B.check whether subrack is firmly mounted

C.check whether boards are correctly plugged

D.check whether cables are laid as required

E. Check whether physical link is set up

A.Execute show run to check current running configuration of the device

B.Execute show start running-config to check configuration state saved last time

C.Execute dir cfg to check whether configuration file has been saved in directory flash/cfg and taken effect after being written.

D.Execute show run to check arp entry and route entry of the device.

ct？()

A.BOOT version can only be upgraded by command bootrom update in hidden mode.

B. If BOOT upgrade fails, try it again but not reload the board. Make sure to prepare a few BOOTs before upgrade in case BOOT becomes abnormal due to power-off during uprgrade.

C. CPLD upgrade involves remote software upgrade and upgrade via cable. If remote upgrade fails, perform. upgrade via cable or replace the board.

D. During upgrade, execute show process to check whether the boards have gotten online and whether their corresponding slots are correct; execute show bootrom to check boot version type of each board.

t？()

A.To display current alarm of device correctly, the device needs to report current alarm to EMS actively. Therefore, necessary configuration for the device to actively report alarms must be correctly set.

B. Protection switching event alarm occurs at the instant when protection group switching happens, so it is not durative alarm. Therefore, after the alarm occurs, it is immediately saved in locking alarm. You can check it only in the locking alarms.

C. If EMS server timezone is different from PTN device timezone, alarm occurrence time on PTN device will be different from that on EMS. Therefore, during commissioning of PTN, you should set PTN timezone to be consistent with EMS timezone, usually local timezone.

D. None of the above

rnment because it depends on so many different things: whether the man is married; how many children he has; whether he supports any relations; how much he earns; how much interest he receives; how much he has spent on his house during the year, and so on and so forth.All this makes it difficult to decide exactly how much the tax is.

There was a certain artist who was always very careful to pay the proper amount.

One year, after posting his check as usual, he began to wonder if he had paid enough, and after a lot of work, with a pencil and paper, he decided that he had not.He believed that he owed the government something.

He was just writing another check to send to the tax-collector when the postman dropped a letter into the box at the front door.Opening it, the artist was surprised to find inside it a check for five pounds from the tax-collector.The official explained that too much had been paid, and that therefore the difference was now returned to the taxpayer.

21.It is mentioned in the passage that one has to pay tax according to().

A.how much education one has received

B.whether one is single or married

C.how old one's children are

22.The underlined word "proper" in the second paragraph means().

A.small

B.big

C.right

23.After a lot of work, the artist thought that he had paid the government()

A.less tax than he should have

B.more tax than he should have

C.as much tax as usual

24.What did the artist receive()

A.A check from the bank clerk.

B.A check from the tax-collector.

C.A gift from the tax-collector.

25.Why did that tax-collector send a letter to the artist()

A.To send him a new tax form.

B.To return the money over-paid.

C.To remind him of paying the tax.

A.check off

B.check in

C.check out

D.check on

A.nloopback check

B.nlinktrace check

C.nconnectivity verificatio

D.nservice consistency check

A.take in

B.take out

C.check in

D.check out

A.surgery

B.check

C.injection

D.sleep

A.Check of rack and cabinet installation

B.Cable inspection

C.Label checking

D.Site cleaning