【单选题】听力原文:Narrator Listen to a talk between two students. Student A Hi, Sam! Student B Hello, Lisa! Hows everything going? Student A Not bad. Im just thinking about a question. Do you think people today do...
【单选题】A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?()
A.
The destination is a host on another subnet, so the router will not forward the packet.
B.
The destination is a host on the same subnet, so the router will forward the packet.
C.
The destination is a broadcast address, so the router will not forward the packet.
D.
The destination is a network address, so the router will forward the packet.
【单选题】听力原文:M: So, Susan, do you have anything planned for this Saturday? W: Uh, I'm kind of busy. Why do you ask? M: Oh, I was wondering if you like to get together and do something, like catch a movie or t...
A.
Because she has changed the appointment twice before.
B.
Because she is free only at that period of time.
C.
Because she has got a toothache all day.
D.
Because her dentist will be busy at other periods.
【简答题】One day Trudy saw an advertisement in a magazine. It offered a packet of 100 mixed stamps for $10. Trudy wanted to start a stamp collection so she ordered the packet. One hundred mixed stamps seemed a...
【单选题】听力原文:M: So, Susan, do you have anything planned for this Saturday? W: Uh, I'm kind of busy. Why do you ask? M: Oh, I was wondering if you'd like to get together and do something, like watch a movie or...
【单选题】Packet-switching wireless networks are preferable(66)when transmissions are(67)bemuse of the way charges are(68)per packet. Circuit-switched networks are preferable for transferring large files or for...
【单选题】听力原文:M: So, Susan, do you have anything planned for this Saturday? W: Uh, I'm kind of busy. Why do you ask? M: Oh, I was wondering if you'd like to get together and do something, like watch a movie or...