单选题A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）A The VLAN is misconfiguredB The user has an imprope

题目

单选题

A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）

The VLAN is misconfigured

The user has an improperly configured NIC

The DHCP server is down

The DNS server is down

参考答案和解析

正确答案： D

解析：暂无解析

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相似问题和答案

第1题：

After careful review, we regret to inform. you that we are unable to ()you any further extensions for the payment on your loan.

A、take

B、give

C、have

D、grant

参考答案：D

第2题：

We were told that the consignment would be sent()to reach the final destination by the end of December.

A、so as

B、in order

C、in time

D、as

参考答案：A

第3题：

We are unable to provide housekeeping services ( ) weekends.

A、In

B、At

C、On

D、during

参考答案：C

第4题：

We can’t_______another 100 kilometers any more.

A.have
B.turn
C.make
D.reach

答案：C

解析：

第5题：

A user in the accounting department reports that their office is able to connect to the network, butthey are unable to connect to the Internet.Which of the following documentation would be the MOST useful to the administrator in diagnosing this issue?（） (Select TWO).

A. Physical network diagram

B. Job log

C. Acceptable use policy

D. Baseline documentation

E. Wiring schematic

参考答案：A, E

第6题：

As we have quoted you our rock－bottom price, we regret that we are unable to ()any counter－offer.

A、accepting

B、entertain

C、receiving

D、take

参考答案：B

第7题：

Even if we can’t reach an agreement, we should maintain our contact.

正确答案：即使我们没有达成一致，我们应该保持联系。

第8题：

We trust the mentioned shipment will reach you in sound condition. ()

参考答案：正确

第9题：

A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）

A. Default gateway

B. Network cable

C. Subnet mask

D. CNAME record

参考答案：A

第10题：

用所给的词和词组写出符合逻辑的句子。 we will/supply/be unable to/the goods/we receive/payment/unless/in advance
We will be unable to supply the goods unless we receive payment in advance.
略

A user reports that they are unable to reach a particular we

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