GB0-191-ENU

UDP belongs to ______ of the OSI reference model .A .  Network layerB .  Transport layerC .  Session layerD .  Presentation layerView AnswerAnswer:   B

 Connect two switches with an Ethernet cable, and the MDI type of the interconnection port is configured as across , then this Ethernet cable should be ________ .A .  Only use crossover cablesB .  Only use direct-connect cablesC .  Both parallel and crossover cables can be usedD .  Neither parallel network cable nor cross network cableView AnswerAnswer:  ...

 Connect two switches with an Ethernet cable, and the MDI type of the interconnection port is configured as across , then this Ethernet cable should be ________ .A .  Only use crossover cablesB .  Only use direct-connect cablesC .  Both parallel and crossover cables can be usedD .  Neither parallel network cable nor cross network cableView AnswerAnswer:  ...

The following statement about the IP address is correct ______ . (Multiple choices)A . The IP address consists of two parts: the network number and the host numberB .  The first byte of class A address is 0 ~ 126 ( 127 is reserved for other purposes)C . IP addresses are usually expressed in dotted decimal format, for example: 10.110.168.121D .  An IP address with a binary number...

 The following statement about the IP address is correct ______ . (Multiple choices)A . The IP address consists of two parts: the network number and the host number.B .  The network number of a class A IP address has 8 digits, and the actual variable digits are 7 digits.C .  Class D IP addresses are usually used as multicast addresses.D .  Address translation ( NAT ) technology is usually...

 Here on OSI statement reference functions of each model error is ______ .A . The physical layer involves the original bit stream transmitted on the communication channel ( Channel ), which defines the mechanical, electrical functions, and regulations required to transmit data.B . The network layer determines the best route for transmitting packets. The key issue is to determine how...

A company that establishes a company network needs to connect to a wide area network. The bandwidth of the connection is required to be greater than 1Mbps . Which of the following interfaces and protocols are available ? (Multiple choice) AV35 protocol interface and cable, using PPP as the link layer protocol BV35 protocol interface and cable, using Frame Relay as...

The following statement about the IP address is correct ______ . (Multiple choices)A .  The first byte of class A address is 0 ~ 126 ( 127 is reserved for other uses)B .  An IP address with a binary zero in the host number part is called a network address and is used to identify all hosts on a network.C . IP addresses are usually expressed in dotted decimal format,...

The following description of circuit switching and packet switching is correct ______ . (Multiple choices)A .  Low utilization of packet-switched network resourcesB .  Large packet switching delay and poor real-time transmissionC .  High utilization of circuit-switched network resourcesD .  Small circuit-switching delay and strong real-time transmissionView AnswerAnswer:   BD

 Which of the following options describe the parameters that can uniquely determine a TCP connection ?A .  Source port number, source IP addressB .  Destination port number, destination IP addressC .  Source port number, destination port numberD .  Source MAC address, destination MAC addressE .  None of the aboveView AnswerAnswer:   E Explanation: The source IP address, source port, destination IP address, and destination port...