更多"How often are IS-IS Hello packets t"的相关试题:
[单项选择]Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
A. An Adjacency is formed.
B. No IS-IS PDUs are sent
C. An Adjacency does not form.
D. An Adjacency forms but traffic is not forwarded.
[单项选择]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.
[单项选择]Hello, how are you?（）
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
[单项选择]On point-to-point networks, OSPF hello packets are addressed to which address（）。
A. 127.0.0.1
B. 172.16.0.1
C. 192.168.0.5
D. 223.0.0.1
E. 224.0.0.5
F. 254.255.255.255
[单项选择]Hosts are very often troubled about how to deal with the guests who ______.
[单项选择]-- Hello! How are you -- ______.
[单项选择]
How often are letters delivered in your country Are letters delivered to each person’s door Is mail kept at the post office until someone goes there to get it If someone lives .far from a post office, how does he get his mail In the United States, most people who live in cities and small towns receive their mail at home. letters are delivered to the family’s door every day. Some people have boxes or baskets for letters beside the front door. If there is no box or basket, the letters are pushed through an opening in the door. large packages are sometimes left besides the door. Many Americans live on farms which are far from any city, town, or village. Their mail is delivered to boxes on the roads near their farms. Every day the farmers who live near this road come to their mailboxes. Mail is delivered to farmers’ mailboxes every day. This mail service is called Rural Free Delivery. Rural Free Delivery is also known as RFD.
How often are letters delivered t
A. all day long
B. every day
C. every other day
D. on Sunday
[单项选择]Compared with Chinese ,how often do Western people carry cash on hand
[单项选择]How often do you go dancing?（）
A. I will go dancing tomorrow.
B. Yesterday.
C. Every other day.
D. I've been dancing for a year.
[单项选择]How often do you（）your brother?
A. hear about
B. hear of
C. hear to
D. hear from
[单项选择]By default, how often does a router running IGRP send its complete routing table to its neighbors?（）
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
[单项选择]Mary: Hello, John. How are you feeling now Somebody said you had been sick.John: ______
