The pressure of a liquid leaving the pump can be referred to as the （）.
A receiving host computes the checksum on a frame and determines that the frame is damaged.Theframe is then discarded.At which OSI layer did this happen？（）
R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。
Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects twoor more customer devices using Ethernet bridging techniques？（）
When a packet is sent from Host 1 to Server 1, in how many different frames will the packet be encapsulated as it is sent across the internetwork?（）
Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects two or more customer devices using Ethernet bridging techniques?（）
A port is（）if the delay in leaving it would be such as to frustrate the adventure．
You are working with a client to deploy QoS on their Frame Relay WAN. They would like to be able to allow packets to cross the Frame Relay WAN but have them marked as discard eligible if they exceed the QoS policy. How would you accomplish this task?（）
A default Frame Relay WAN is classified as what type of physical network?（）
A default Frame Relay WAN is classified as what type of physical network?（）
A vessel when joining or leaving from the side of a traffic separation scheme shall do so at as（）to the general direction of traffic flow as practicable.
As a frame leaves a Layer 3 device，the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen？（）
Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）
What does a Layer 2 switch use to decide where to forward a received frame?（）
In regard to a hub and spoke Frame-Relay data network, what kind of physical network is it classified as?（）
Host 1 receives a file from remote server 1. Which MAC address appears as the source address in the header of the frames received by Host 1（）。
In the first 3 parts of the poem, Shelley describes the wind's power and its role as a ______ that scatters leaves, clouds and waves and at same time a ______ that quickens a new birth.
Jean Wagner's most enduring contribution to the study of Afro-American poetry is his insist- ence that it ______ in a religious, as well as worldly, frame. of reference.
Layer n on one machine carries on a conversation with layer n on another machinE.The rules and conventions used in this conversation are collectively known as the layer n
A vessel which has brought any imports or has loaded exports can leave the port only when written permission, known as "port clearance", is granted by the local authorities. （）
根据所听到的内容作答_____。 A)Smoking is the only bad habit the man should change． B)She doesn’t love the man as deep as before． C)She doesn’t want to have a baby if the man smokes． D)Maybe she will leave the man if he continues to smoke．
听力原文：Often a loan is made for 95% of the value of the property to be purchased leaving the buyer to provide 5% as a deposit.
Jean Wagner's most enduring contribution to the study of Afro-American poetry is his insistence that it______in a religious, as well as worldly, frame. of reference.
While troubleshooting connectivity issues, you log into a remote router. From there,you wish to see the layer 1 and layer 2 status of the interface.Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface？（）
