更多"[单选题]Shown. At which OSI layer is t"的相关试题:
[单选题]
Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure
That reliable networking occurs?
A. data link
B. network
C. transport
D. presentation
E. physical
[单选题]
Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery
To the proper host on a LAN?
A. physical
B. data link
C. network
D. transport
[单选题]
At which layer of the OSI model is RSTP used to prevent loops?
A. data link
B. network
C. physical
D. transport
[单选题]
At which layer of the OSI model dose PPP perform?
A. Layer 3.
B. Layer 4.
C. Layer 2.
D. Layer 5.
[单选题]
Which layer 2. protocol encapsulation type supports synchronous and asynchronous circuis and has built-in
Security mechanisms?
A. Frame Relay
B. HDLC
C. x.25.
D. PPP
[多选题]
Which three Layer 2. encapsulation types would be used on a WAN rather than a LAN? (Choose three.)
A. HDLC
B. Ethernet
C. Token Ring
D. PPP
E. FDDI
F. Frame Relay
[多选题]
At which layers of the OSI model do WANs operate? (Choose two.)
A. application layer
B. session layer
C. transport layer
D. network layer
E. datalink layer
F. physical layer
[多选题]Which of the followings are the first layer muscles of anterior group of forearm?
A.brachioradialis
B.pronator quadratus (旋前方肌)
C.flexor carpi radialis (桡侧腕屈肌)
D.palmaris longus (掌长肌)
E.flexor carpi ulnaris (尺侧腕屈肌)
[单选题]OSI 参考模型中的 OSI 表示的是（ ）。
A.Organization Standard Institute
B.Organization Standard Interconnection
C.Open System Internet
D.Open System Interconnection
[单选题]OSI 模型把网络通信工作分为七层,其中 IP 协议对应 OSI 模型中的那一层( )
A.应用层
B.传输层
C.应用层
D.网络层
[单选题]OSI与TCP/IP参考模型有着对应关系,其中,TCP参考模型的应用层对应着OSI参考模型的( )
A.会话层、表示层、应用层
B.传输层、表示层、应用层
C.会话层、传输层、应用层
D.网络层、会话层、应用层
[单选题]TCP/IP 协议的层次并不是按 OSI 参考模型来划分的，相对应于 OSI 的七层网络模型，没有定义（ ）。
A.链路层与网络层
B.网络层与传输层
C.会话层与表示层
D.传输层与会话层
[单选题]OSI代表( )
A. OrganizationforStandardsInstitute
B. OrganizationforInternetStandards
C. OpenStandardsInstitute
D. Open Systems Interconnection
[判断题]OSI参考模型分为8层。
A.正确
B.错误
[判断题]数据分段在OSI传输层。
A.正确
B.错误
[单选题]路由器属于OSI( )设备。
A.一层
B.二层
C.三层
D.四层
[单选题]提出OSI模型是为了（ ）。
A.建立一个设计任何网络结构都必须遵从的绝对标准
B.克服多厂商网络固有的通信问题
C.证明没有分层的网络结构是不可行的
D.以上答案都不对
[单选题] OSI参考模型中处于最下层的是
A.应用层;
B.会话层;
C.网络层;
D.物理层
