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116 bài trong 12 trang (10 bài/trang) và bạn đang ở trang 9.
Demo

What is the network address for a host with the IP address 123.200.8.68/28? A. 123.200.8.0 B. 1231.200.8.32 C. 123.200.8.64 D. 123.200.8.65 E. 123.200.8.31 F. 123.200.8.1..... How does a layer two device such as a bridge or switch function? A. It maintains a table of the IP address of the host connected to its internet segment B. It passes packets outside of its network segment if its IP address cannot be found on its table. C. It looks up the frames destination in its address table and sends the frame towards the destination.....

Demo

You issue the command show ip route which of the following correctly describes the codes displayed in your route table after you issue this command? A. I-Indicates a route was learned through an internal protocol. B. S-Indicates a route was learned through static command. C. R-Indicates a route was learned through RIP. D. S-Indicates a route was learned through a serial port. E. R-Indicates a route was learned through a reliable port..... What can you use to connect a user’s pc directly to a router? ......

Demo

Switches have three primary modes to handle frame switching. Which one of these modes looks at the destination address and then immediately forwards the frame to the destination? A. CSMA/CD B. FULL DUPLEX C. CUT THROUGH D. HALF DUPLEX E. FRAGMENTATION F. STORE AND FORWARD.... Which of the following are Application layer protocols that use TCP/IP? A. ARP B. HTTP C. SMTP D. FTP E. ICMP.....

Demo

Which of the following are generally considered to be characteristics of connectionless network services? A. Non-reliable. B. Reliable. C. Less bandwidth-intensive. D. Handshaking..... Which of the following devices operate at Layer 2 of the OSI model? (Choose two) A. Router B. SMTP server C. Transceiver D. Switch E. Bridge F. Hub.... You have configured a new Frame Relay link on a router that is using IGRP. Which command would you use to set the IGRP metric for the speed of this link? A. Router(config)# IGRP metric 256k....

Demo

Calculate the number of usable network and host addresses for 213.105.72.0/28. A. 62 networks and 2 hosts B. 6 networks and 30 hosts C. 8 networks and 32 hosts D. 16 networks and 16 hosts E. 14 networks and 14 hosts..... Which of the following is a subnet broadcast address for network 201.57.78.0/27? A. 201.57.78.33 B. 201.57.78.64 C. 201.57.78.87 D. 201.57.78.97 E. 201.57.78.159 F. 201.57.78.254.....

Demo

What function does the up arrow key provide within the Cisco router IOS? A. Recalls the previous command line. B. Moves the cursor one line up. C. Redisplays the current command line. D. Capitalize the command line..... Which of the following statements are true regarding full-duplex Ethernet when compared to half-duplex Ethernet? (Choose two.) A. Full-duplex Ethernet consists of a shared broadcast domain, while half-duplex Ethernet consists of a private broadcast domain. B. Full-duplex Ethernet is collision free, while half-duplex Ethernet is subject to collisions. C. Full-duplex Ethernet provides higher throughput than half-duplex Ethernet of the same bandwidth. D. Full-duplex Ethernet provides lower throughput than half-duplex Ethernet of the same bandwidth.....

Demo

Which OSI layer uses positive acknowledgement and retransmission to ensure reliable delivery? A. Application B. Presentation C. Session..... Which of the following are associated with the Presentation Layer of the OSI model? A. Rich Text Format (RTF) B. Quick Time movie C. FTP D. TFTP E. SMTP F. MIDI..... Which of the following are reasons to use a bridge to segment a network? A. To reduce broadcasts within collisions domains. B. To reduce collisions within broadcasts domain. C. To increase the number of broadcasts domains.......

Demo

What output interface status would you see if peer interface (on second end of link) is administratively down? A. Interface is down, line protocol is down. B. Interface is down, line protocol is up. C. Interface is up, line protocol is down. D. Interface is up, line protocol is up...... What is the protocol and what is the second part of the following network address? (Choose all that apply.) 172.161.0.254 mask 255.255.0.0 A. IPX MAX address. B. IP Class C director broadcast. C. Private IP address node number.....

Demo

What does IGRP use to determine the best path to a destination? A. The highest metric value. B. The lowest composite metric value. C. The lowest hop-count and delay. D. The highest bandwidth and reliability E. The lowest administrative distance..... A network administrator has installed a new router in the Lisbon office and is unable to backup the IOS image of the new router to a TFTP server located in the Gibraltar office. Given the network diagram, identify the source of the problem. A. Incorrect default gateway of the tftp server. B. Incorrect subnet mask of the tftp server. C. Incorrect IP address of the tftp server. D. Incorrect IP address on E0 of the Gibraltar server.....

Demo

A new host has been connected to a workgroup switch. Although its Layer 3 configuration is correct, the host is unable to access the server resources on its network segment. What is the likely cause of this problem? A. The router lacks a routing table entry for the new host. B. The host switch port is assigned to the incorrect VLAN. C. The host MAC address is incorrectly configured. D. A VTP instance for the new host has not been installed..... Which of the following need to be modified in the password recovery process? (Choose two.) A. Nvram B. Configuration register C. Boot flash.....

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