How do routers in an IS-IS Level-1 domain exit to reach other Level-1 （L1） domains？（）A、Level-1（L1） routers use default routes announced by Level-2（L2） routers in Level-1（L1） domainB、Level-1 routers use default routes installed based on ATT bit （Attach Bit

题目

How do routers in an IS-IS Level-1 domain exit to reach other Level-1 （L1） domains？（）

A、Level-1（L1） routers use default routes announced by Level-2（L2） routers in Level-1（L1） domain
B、Level-1 routers use default routes installed based on ATT bit （Attach Bit） in announcements from Level-1-2（L1/L2） router
C、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-1-2（L1/L2） by route-leaking feature of Cisco IOS
D、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-2（L2） by route-leaking feature of Cisco IOS

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相似问题和答案

第1题：

Ted: How are you, Bob ?

Bob: _____________.

A、How are you?

B、I'm fine.Thank you.

C、How do you do?

D、Nice to meet you.

参考答案：B

第2题：

Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）

A.0

B.1

C.2

D.3

参考答案：B

第3题：

— Hi! How do you do, Zhang? \n— _______

A.How are you?

B.Good afternoon.

C.How do you do?

D.Very fine.

参考答案：C

第4题：

How are you, Bob?（）

A、How are you?
B、I'm fine. Thank you.
C、How do you do?
D、Nice to meet you.

正确答案:B

第5题：

How do you do? Glad to meet you.（）

AFine. How are you?

BHow do you do? Glad to meet you, too.

CHow are you? Thank you!

DNice. How are you?

B
略

第6题：

－ How are you, Bob? － ___________ Ted.

A、How are you?

B、I am fine, thank you.

C、How do you do?

D、Nice to meet you.

正确答案:B

第7题：

How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）Ted

AHow are you？

BI’m fine.Thank you.

CHow do you do？

DNice to mee tyou.

B
略

第8题：

A:How do you do? Pleased to meet you.B:How do you do? Pleased to meet you, too.()

此题为判断题(对，错)。

参考答案：正确

第9题：

Hello, how are you?（）

AHello, how are you?

BHow do you do?

CFine, thank you.

DThat's OK.

C
略

第10题：

How do you do? Glad to meet you.（）

A、Fine. How are you?
B、How do you do? Glad to meet you, too.
C、How are you? Thank you!
D、Nice. How are you?

正确答案:B

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