• (Khác biệt giữa các bản)
    (d6)
    Hiện nay (06:48, ngày 24 tháng 8 năm 2013) (Sửa) (undo)
    (eigrp)
     
    Dòng 1: Dòng 1:
    -
    1/Refer to the exhibit. Which list refers only to end devices?
    		+
    EastHQ : s0/0/0 192.168.1.249 255.255.255.252
    -
    /D,E,F,G
    		+
    -
    2/Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?
    		+
    -
    -address translation
    		+
    -
    3/What information can be gathered by using the command netstat?
    		+
    -
    -active TCP connections
    		+
    -
    4/Refer to the exhibit. Host1 is in the process of setting up a TCP session with Host2. Host1 has sent a SYN message to begin session establishment. What happens next?
    		+
    -
    -Host2 sends a segment with the ACK flag = 1, SYN flag = 1 to Host1.
    		+
    -
    5/Which OSI layer addressing is required to route packets between two networks?
    		+
    -
    -Layer 3
    		+
    -
    6/Refer to the exhibit. All devices in the network use default configurations. How many logical address ranges are required in this topology?
    		+
    -
    -4
    		+
    -
    7/Refer to the exhibit. Host A is transmitting data to host B. Which address combination will be used as the data leaves the Router1 Fa0/1 interface?
    		+
    -
    -Destination IP: 192.168.10.4 Source MAC: 0030.8596.DE81
    		+
    -
    8/A user enters http://www.cisco.com/web1.htm in the address line of a browser. Which statement is true about this transaction?
    		+
    -
    -The "http" portion indicates the protocol that is being used.
    		+
    -
    9/Refer to the exhibit. Which layered network model is shown in the diagram?
    		+
    -
    -TCP/IP
    		+
    -
    10/Which statement is true about Layer 3 addresses?
    		+
    -
    They are used in routing decisions.
    		+
    -
    11/Refer to the exhibit. Which Layer 2 protocol could be used inside nework A and network C?
    		+
    -
    -Ethernet
    		+
    -
    12/Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational?
    		+
    -
    -192.168.254.1
    		+
    -
    13/Refer to the exhibit. While configuring a network, a technician wired each end of a Category 5e cable as shown. Which two statements are true about this setup? (Choose two.)
    		+
    -
    -The cable is suitable for connecting dissimilar types of devices.
    		+
    -
    -The cable is suitable for connecting a switch to a router Ethernet port.
    		+
    -
    14/What information is used at each hop to determine where the packet will be forwarded next?
    		+
    -
    -the IP packet header
    		+
    -
    15/Refer to the exhibit. Host A and B are unable to communicate with each other. What is the reason for this?
    		+
    -
    16/The gateway addresses are network addresses.
    		+
    -
    Which OSI layers offers reliable, connection-oriented data communication services?
    		+
    -
    ransport
    		+
    -
    17/What is the result of using the clock rate 56000 command at the serial interface of the router?
    		+
    -
    -The interface is configured as a DCE device.
    		+
    -
    18/The Layer 4 header contains which type of information to aid in the delivery of data?
    		+
    -
    -service port number
    		+
    -
    19/A routing issue has occurred in your internetwork. Which of the following type of devices should be examined to isolate this error
    		+
    -
    -router
    		+
    -
    20/A user sees the command prompt: Router(config-if)# . What task can be performed at this mode?-
    		+
    -
    Configure individual interfaces
    		+
    -
    21/Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B. What action can be preformed to correct the network issue?
    		+
    -
    -issue the no shutdown command on interface FastEthernet 0/1
    		+
    -
    22/Refer to the exhibit. A PC is communicating with another PC on a remote network. The two networks are connected by three routers. Which action will help to identify the path between the hosts?
    		+
    -
    -Use the tracert command at the host.
    		+
    -
    23/Which password is automatically encrypted when it is created?
    		+
    -
    -enable secret
    		+
    -
    24/A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most secure?
    		+
    -
    -enable secret
    		+
    -
    25/Refer to the exhibit. Which type of network design is shown?
    		+
    -
    -peer-to-peer
    		+
    -
    26/Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.)
    		+
    -
    Router(config)# line vty 0 3
    		+
    s0/0/1 192.168.1.253 255.255.255.252
    -
    Router(config-line)# password c13c0
    		+
     
    -
    Router(config-line)# login
    		+
    s0/1/0 209.165.201.6 255.255.255.252
    -
    -The entries specify four Telnet lines for remote access.
    		+
     
    -
    -Access will be permitted for Telnet using "c13c0" as the password.
    		+
    s0/1/1 192.0.2.2 255.255.255.252
    -
    27/Refer to the exhibit. An employee wants to access the organization intranet from home. Which intermediary device should be used to connect the organization intranet to the Internet to enable this access?
    		+
     
    -
    -router
    		+
    EPC2: 192.168.0.254 255.255.255.128 default: 192.168.0.129
    -
    28/Refer to the exhibit. The router of the company failed and was replaced. After the replacement, hosts C and D in the Education office are able to ping each other, but they are unable to access the hosts in the Accounts office. What is the likely cause of the problem
    		+
     
    -
    -The subnet mask at the fa0/1 interface of the router is incorrectly entered.
    		+
    EPC4: 192.168.1.126 255.255.255.192 default: 192.168.1.65
    -
    29/Which memory contents will change as a result of using the Router# erase startup-config command on a router?
    		+
     
    -
    -NVRAM
    		+
    EB2:
    -
    30/Which router component will have contents erased when the command erase startup-config is issued?
    		+
     
    -
    -NVRAM
    		+
    router(config)# hostname EB2
    -
    31/FastEthernet interface fa0/1 of the San Francisco router. The packet inside the captured frame has the source IP address 10.10.1.2, and the destination IP address is 10.31.1.20. What is the destination MAC address of the frame at the time of capture?
    		+
     
    -
    -0060.7320.D631
    		+
    EB2(config)# enable secret class
    -
    32/Refer to the exhibit. Host A is unable to reach the remote network. On the basis of the provided output, what is the cause of the problem?
    		+
     
    -
    There is no path to the remote network in the routing table of ---
    		+
    EB2(config)# line console 0
    -
    router R1.
    		+
     
    -
    33/Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?
    		+
    EB2(config-if)# password cisco
    -
    -only computer D
    		+
     
    -
    34/Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission?
    		+
    EB2(config-if)# login
    -
    transport
    		+
     
    -
    35/Refer to the exhibit. A web browser running on host PC1 sends a request for a web page to the web server with an IP address 192.168.1.254/24. What sequence of steps will follow in order to establish the session before data can be exchanged?
    		+
    EB2(config-if)# exit
    -
    The session will be initiated using TCP. A three-way handshake must be successfully completed before the session is established.
    		+
     
    -
    36/If an administrator wished to return a router to the default state, what additional step must be taken after issuing the command erase start-up config?
    		+
    EB2(config)# line vty 0 4
    -
    -Reload the device.
    		+
     
    -
    37/Refer to the exhibit. How will data files get retrieved from the server?
    		+
    EB2(config-if)# password cisco
    -
    -The client establishes a two-way connection to the server on port 21 for file transfer.
    		+
     
    -
    38/Which device should be used for enabling a host to communicate with another host on a different network?
    		+
    EB2(config-if)# login
    -
    -router
    		+
     
    -
    39/Refer to the exhibit. Host A sends 1000 bytes of Telnet data to host B. What does host B send back if it only receives the first 500 bytes?
    		+
    EB2(config-if)# exit
    -
    -Source 23 Destination 49321 Seq 500 Ack 1000
    		+
     
    -
    40/Refer to the exhibit. An administrator made several changes to the configuration of the router but did not accomplish the desired result. To undo the changes the reload command was used. What will happen if the administrator answers yes to the prompt?
    		+
    EB2(config)#banner motd# Authorized access only!#
    -
    -The changes will be saved and the configuration file in NVRAM will be loaded.
    		+
     
    -
    42/Which of the following are the address ranges of the private IP addresses? (Choose three.)
    		+
    using the addressing table, configure and activate all the necessary interfaces on EB2
    -
    -10.0.0.0 to 10.255.255.255
    		+
     
    -
    -172.16.0.0 to 172.31.255.255
    		+
    EB2(config)#interface fa0/0
    -
    -192.168.0.0 to 192.168.255.255
    		+
     
    -
    43/Refer to the exhibit. A technician uses the nslookup command on the PC and views the output that is displayed in the exhibit. What is the IP address of the primary domain name server used by the host?
    		+
    EB2(config-if )#ip address 192.168.1.1 255.255.255.192
    -
    -10.10.10.32
    		+
     
    -
    44/What three statements are true about network layer addressing? (Choose three.)
    		+
    EB2(config-if)#no shutdown
    -
    -Network layer addressing uses a hierarchy.
    		+
     
    -
    -It is used by Ethernet switches to make forwarding decisions.
    		+
    EB2(config-if)#exit
    -
    -Network layer addressing identifies each host distinctly.
    		+
     
    -
    45/Refer to the exhibit. What two facts can be determined about the exhibited topology? (Choose two.)
    		+
    EB2(config)#interface fa0/1
    -
    -A single broadcast domain is present
    		+
     
    -
    -Five collision domains exist.
    		+
    EB2(config-if)#ip address 192.168.1.65 255.255.255.192
    -
    46/Refer to the exhibit. A network administrator remotely accesses the CLI of RouterB from PC1 using Telnet. Which statement is true about this connection?
    		+
     
    -
    -The connection is made through a VTY session on the router.
    		+
    EB2(config-if)#no shutdown
    -
    47/Which range of port numbers are reserved for services that are commonly used by applications that run on servers?
    		+
     
    -
    -0 to 1023
    		+
    EB2(config-if)#exit
     +
     
     +
    EB2(config)#interface s0/0/0
     +
     
     +
    EB2(config-if)#ip address 192.168.1.254 255.255.255.252
     +
     
     +
    EB2(config-if)#clock rate 640000
     +
     
     +
    EB2(config-if)#no shutdown
     +
     
     +
    EB2(config-if)#exit
     +
     
     +
    EB2(config)#interface s0/0/1
     +
     
     +
    EB2(config-if)#ip address 192.168.1.246 255.255.255.252
     +
     
     +
    EB2(config-if)#no shutdown
     +
     
     +
    EB2(config-if)#exit
     +
     
     +
    configure IP EPC2, EPC4 with the last ip address in the subnet
     +
     
     +
    EPC2: ip 192.168.0.254
     +
     
     +
    subnet: 255.255.255.128
     +
     
     +
    default: 192.168.0.129
     +
     
     +
    EPC4: 192.168.1.126
     +
     
     +
    subnet: 255.255.255.192
     +
     
     +
    default: 192.168.1.65
     +
     
     +
    telnet EastHQ: telnet 192.168.1.253
     +
     
     +
    EastHQ:
     +
     
     +
    EastHQ(config)# ip router 172.16.100.0 255.255.255.0 192.0.2.1
     +
     
     +
    EastHQ(config)# ip router 0.0.0.0 0.0.0.0 s0/1/0
     +
     
     +
    EastHQ(config)#router eigrp 100
     +
     
     +
    EastHQ(config-if)#network 192.168.1.248 0.0.0.3
     +
     
     +
    EastHQ(config-if)#network 192.168.1.252 0.0.0.3
     +
     
     +
    EastHQ(config-if)#no auto-summary
     +
     
     +
    EastHQ(config-if)#redistribute static
     +
     
     +
    EastHQ(config-if)#exit
     +
     
     +
    EastHQ(config)#interface s0/0/1
     +
     
     +
    EastHQ(config-if)#bandwidth 384
     +
     
     +
    EastHQ(config-if)#exit
     +
     
     +
    EB1:
     +
     
     +
    EB1(config)#router eigrp 100
     +
     
     +
    EB1(config-if)# network 192.168.0.0 0.0.0.127
     +
     
     +
    EB1(config-if)# network 192.168.0.128 0.0.0.127
     +
     
     +
    EB1(config-if)# network 192.168.1.244 0.0.0.3
     +
     
     +
    EB1(config-if)# network 192.168.1.248 0.0.0.3
     +
     
     +
    EB1(config-if)# no auto-summary
     +
     
     +
    EB1(config-if)# passive-interface fa0/0
     +
     
     +
    EB1(config-if)# passive-interface fa0/1
     +
     
     +
    EB1(config-if)#exit
     +
     
     +
    EB1(config)#interface s0/0/0
     +
     
     +
    EB1(config-if)#ip summary-address eigrp 100 192.168.0.0 255.255.255.0
     +
     
     +
    EB1(config-if)#exit
     +
     
     +
    EB1(config)#interface s0/0/1
     +
     
     +
    EB1(config-if)#ip summary-address eigrp 100 192.168.0.0
     +
    255.255.255.0
     +
     
     +
    EB1(config-if)#exit
     +
     
     +
    EB2:
     +
     
     +
    EB2(config)#router eigrp 100
     +
     
     +
    EB2(config-if)#network 192.168.1.0 0.0.0.63
     +
     
     +
    EB2(config-if)#network 192.168.1.64 0.0.0.63
     +
     
     +
    EB2(config-if)#network 192.168.1.244 0.0.0.3
     +
     
     +
    EB2(config-if)#network 192.168.1.252 0.0.0.3
     +
     
     +
    EB2(config-if)# no auto-summary
     +
     
     +
    EB2(config-if)# passive-interface fa0/0
     +
     
     +
    EB2(config-if)# passive-interface fa0/1
     +
     
     +
    EB2(config-if)#exit
     +
     
     +
    EB2(config)#interface s0/0/0
     +
     
     +
    EB2(config-if)#bandwidth 384
     +
     
     +
    EB2(config-if)#exit
     +
     
     +
    EB2(config)#interface s0/0/0
     +
     
     +
    EB2(config-if)#ip summary-address eigrp 100 192.168.1.0
     +
    255.255.255.128
     +
     
     +
    EB2(config-if)#exit
     +
     
     +
    EB2(config)#interface s0/0/1
     +
     
     +
    EB2(config-if)#ip summary-address eigrp 100 192.168.1.0
     +
    255.255.255.128
     +
     
     +
    EB2(config-if)#exit

    Hiện nay

    EastHQ : s0/0/0 192.168.1.249 255.255.255.252

    s0/0/1 192.168.1.253 255.255.255.252

    s0/1/0 209.165.201.6 255.255.255.252

    s0/1/1 192.0.2.2 255.255.255.252

    EPC2: 192.168.0.254 255.255.255.128 default: 192.168.0.129

    EPC4: 192.168.1.126 255.255.255.192 default: 192.168.1.65

    EB2:

    router(config)# hostname EB2

    EB2(config)# enable secret class

    EB2(config)# line console 0

    EB2(config-if)# password cisco

    EB2(config-if)# login

    EB2(config-if)# exit

    EB2(config)# line vty 0 4

    EB2(config-if)# password cisco

    EB2(config-if)# login

    EB2(config-if)# exit

    EB2(config)#banner motd# Authorized access only!#

    using the addressing table, configure and activate all the necessary interfaces on EB2

    EB2(config)#interface fa0/0

    EB2(config-if )#ip address 192.168.1.1 255.255.255.192

    EB2(config-if)#no shutdown

    EB2(config-if)#exit

    EB2(config)#interface fa0/1

    EB2(config-if)#ip address 192.168.1.65 255.255.255.192

    EB2(config-if)#no shutdown

    EB2(config-if)#exit

    EB2(config)#interface s0/0/0

    EB2(config-if)#ip address 192.168.1.254 255.255.255.252

    EB2(config-if)#clock rate 640000

    EB2(config-if)#no shutdown

    EB2(config-if)#exit

    EB2(config)#interface s0/0/1

    EB2(config-if)#ip address 192.168.1.246 255.255.255.252

    EB2(config-if)#no shutdown

    EB2(config-if)#exit

    configure IP EPC2, EPC4 with the last ip address in the subnet

    EPC2: ip 192.168.0.254

    subnet: 255.255.255.128

    default: 192.168.0.129

    EPC4: 192.168.1.126

    subnet: 255.255.255.192

    default: 192.168.1.65

    telnet EastHQ: telnet 192.168.1.253

    EastHQ:

    EastHQ(config)# ip router 172.16.100.0 255.255.255.0 192.0.2.1

    EastHQ(config)# ip router 0.0.0.0 0.0.0.0 s0/1/0

    EastHQ(config)#router eigrp 100

    EastHQ(config-if)#network 192.168.1.248 0.0.0.3

    EastHQ(config-if)#network 192.168.1.252 0.0.0.3

    EastHQ(config-if)#no auto-summary

    EastHQ(config-if)#redistribute static

    EastHQ(config-if)#exit

    EastHQ(config)#interface s0/0/1

    EastHQ(config-if)#bandwidth 384

    EastHQ(config-if)#exit

    EB1:

    EB1(config)#router eigrp 100

    EB1(config-if)# network 192.168.0.0 0.0.0.127

    EB1(config-if)# network 192.168.0.128 0.0.0.127

    EB1(config-if)# network 192.168.1.244 0.0.0.3

    EB1(config-if)# network 192.168.1.248 0.0.0.3

    EB1(config-if)# no auto-summary

    EB1(config-if)# passive-interface fa0/0

    EB1(config-if)# passive-interface fa0/1

    EB1(config-if)#exit

    EB1(config)#interface s0/0/0

    EB1(config-if)#ip summary-address eigrp 100 192.168.0.0 255.255.255.0

    EB1(config-if)#exit

    EB1(config)#interface s0/0/1

    EB1(config-if)#ip summary-address eigrp 100 192.168.0.0 255.255.255.0

    EB1(config-if)#exit

    EB2:

    EB2(config)#router eigrp 100

    EB2(config-if)#network 192.168.1.0 0.0.0.63

    EB2(config-if)#network 192.168.1.64 0.0.0.63

    EB2(config-if)#network 192.168.1.244 0.0.0.3

    EB2(config-if)#network 192.168.1.252 0.0.0.3

    EB2(config-if)# no auto-summary

    EB2(config-if)# passive-interface fa0/0

    EB2(config-if)# passive-interface fa0/1

    EB2(config-if)#exit

    EB2(config)#interface s0/0/0

    EB2(config-if)#bandwidth 384

    EB2(config-if)#exit

    EB2(config)#interface s0/0/0

    EB2(config-if)#ip summary-address eigrp 100 192.168.1.0 255.255.255.128

    EB2(config-if)#exit

    EB2(config)#interface s0/0/1

    EB2(config-if)#ip summary-address eigrp 100 192.168.1.0 255.255.255.128

    EB2(config-if)#exit

    Lấy từ « http://tratu.soha.vn/dict/en_vn/Th%E1%BA%A3o_lu%E1%BA%ADn_Th%E1%BB%83_lo%E1%BA%A1i:Idioms »

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