In MPLS networks, what s the benefit of disabling TTL propagation?（）
第1题：
第2题：
What are the three main types of networks that must be considered when defining a security policy？
第3题：
根据以下材料回答第 1～5 题：
A．What about you?
B．Would you like black tea?
C．Do you have any eggs，madam?
D．Would you like something to eat?
E．Black tea or iced tea?
F．Can I help you?
G．Thank you very much．
H．It is very tasty．
第 56 题 Woman： 1
Ben：Yes，madam．What would you like to drink，Tony?
Tony：I'd like some tea．
Ben： 2
Tony：Iced tea，please． 3
Ben：I'd like some lemonade． 4
Tony：Yes，I'd like a pizza，please．
Woann：What would you like on it，sir?
Tony：Mushrooms，green peppers and onions，please．
Ben：All right， 5
Woman：Yes．
Ben：We want a cup of iced tea，a glass of milk，a glass of lemonade，a pizza and two eggs，please．
Woman：OK．
[答案] F
第4题：
What is the action of "pop" in the context of MPLS switching？（）
第5题：
As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?（）
第6题：
第7题：
Which option describes the incorrect usage of the Label Distribution method？（）
第8题：
A.supernet masks
B.subnet masks
C.wildcard masks
D.route filtering
第9题：
Using more than one label on a single packet is required in what context？（）
第10题：
What is the Cisco IOS command to turn on explicit null forwarding by LDP？（）