GB0-191-ENU exam

 By (console Console fresh from the factory without configuration) port configuration MSR routers, terminal serial port baud rate should be set to _____ .A . 9600B . 2400C . 115200D . 38400View AnswerAnswer:   A

 Data segmentation is done in ______ in the OSI reference model .A .  Physical layerB .  Network layerC .  Transport layerD .  Access layerView AnswerAnswer:   C

The default control protocol port used by FTP is ______ . A. 20 B. 21 C. 23 D. 22View AnswerAnswer:   B Explanation: A. 20 ftp data connection B. 21 ftp control connection C. 23 telnet D. 22 ssh

 Two empty-configured MSR routers RTA and RTB are interconnected back to back through their respective Serial1 / 0 interfaces. Make the following configurations on the two routers: RTA: skip [RouterA-Serial1/0] link-protocol fr ietf [RouterA-Serial1/0] ip address 10.1.1.1 30 [RouterA-Seria11 / 0] fr map ip 10.1.1.2 30 RTB: [RouterB-Serial1/0] link-protocol fr ietf [RouterB-Serial1/0] interface serial0/0.1 [RouterB-Serial1/0.1] ip address 10.1.1.2 30 [RouterB-Serial1/0.1] fr map...

ping is actually an application developed based on the ______ protocol.A . ICMPB . IPC . TCPD . UDPView AnswerAnswer:   A Explanation: The ping function is implemented based on the ICMP protocol: after the source sends an ICMP echo request ( ECHO-REQUEST ) message to the destination, the destination is judged based on whether the destination ICMP echo reply ( ECHO-REPLY ) message is received It is...

 The two routers of the customer are connected back to back through V.35 cable, and one of the routers has the following interface information: [MSR-Serial0 / 0] display interface Serial 0/0 Serial0/0 current state: UP Line protocol current state: UP Description: Serial6/0 Interface The Maximum Transmit Unit is 1500 ， Hold timer is 10(sec) Internet...

 Normally, the router will fragment packets longer than the interface MTU . In order to detect the line MTU , you can ping the destination address with the ______ parameter .A . CaB . CdC . CfD . CcView AnswerAnswer:   C Explanation: -a ―――― With source -f ――――- Do not allow fragmentation of ICMP Echo Request messages -tos ―――- type of service tos field defaults to 0 ( 0-255 ) -t ――――- Message timeout...

WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)A . 802.11aB . 802.11bC . 802.11cD . 802.11gView AnswerAnswer:   AB Explanation: Maximum transmission rate

The following description of the characteristics of the router is correct ______ . (Multiple choices)A .  Is the network layer deviceB .  Route forwarding based on link layer informationC .  Provide rich interface typesD .  Can support multiple routing protocolsView AnswerAnswer:   ACD Explanation: Work on the bottom three Route forwarding based on network...

 The following statement about the OSI reference model is correct ______ .A .  The data at the transport layer is called a frame ( Frame )B .  The data at the network layer is called a segment .C .  data link layer called packets ( Packet )D .  The data in the physical layer is called bit ( Bit )View AnswerAnswer:  ...