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Admin


Number of posts : 72
Age : 31
Localisation : Cyprus
Registration date : 2007-02-22

PostSubject: Voucher   Thu Nov 29, 2007 6:58 pm

CCNA 4

Voucher

=========================
Use this at your own risk.
I'm not responsible for
what you do with it.
Happy cheating ^^
=========================
Exam is about 80% good.

===========================================================================
An administrator has made routing protocol changes to a router's configuration. To ensure that the changes are implemented, the active configuration is saved and the router is reloaded. After the router has initialized, the output on the screen displays "Would you like to enter the initial configuration dialog?[yes/no]:" Why did this dialog appear?

There was a POST failure.
The incorrect IOS loaded.
There was an error in the startup configuration file.
*The configuration register was set to ignore NVRAM.
===========================================================================
What operations are performed during router initialization? (Choose three.)

*The IOS is loaded into RAM.
The generic bootstrap loader tests all interfaces.
All directly connected network devices are identified.
*A valid configuration file is loaded from NVRAM if specified by the configuration register.
*A question driven setup menu is presented if a valid configuration file cannot be loaded.
===========================================================================
For a network manager planning the installation of a new network, which of the following will be needed to implement a typical 10BASE-T network installation? (Choose three.)

RJ-11
BNC connectors
RJ-48 patch cables
RJ-45 connectors *
Category 5 UTP cables *
hubs or switches *
===========================================================================
A company with a Class B license needs to have a minimum of 1,000 subnets with each subnet capable of accommodating 50 hosts. Which mask below is the appropriate one?

255.255.0.0
255.255.240.0
255.255.255.0
*255.255.255.192
255.255.255.224
===========================================================================
A network administrator can establish a remote session to a host using the Router> telnet 192.168.1.1 command but is unsuccessful when using the Router> telnet Boston command to connect to the same interface. Which of the following could be the problem? (Choose two.)

*The ip host table on the router is not configured.
The command telnet Boston was issued from the wrong router prompt.
The routing table is missing.
*Domain name services are not available.
===========================================================================
Which of the following network components would be considered Layer 1 devices? (Choose three.)

*hub
router
bridge
switch
*repeater
*transceiver
===========================================================================
What is the maximum distance that 10BASE-T will transmit data before signal attenuation affects the data delivery?

*100 meters
185 meters
300 meters
500 meters
===========================================================================
What is the result of executing the erase startup-config command?

It deletes the active configuration file from RAM.
*It deletes the backup configuration file in NVRAM.
It deletes the saved configuration file from ROM.
It deletes the saved configuration file from the C: drive.
===========================================================================
Which of the following imposes boundaries on broadcast traffic?

Bridge
Repeater
*Router
Transceiver
===========================================================================
Which utility shows the route a packet takes to reach its destination?

netstat
ping
Telnet
*traceroute
===========================================================================
Which device is considered a multi-port bridge?

hub
router
*switch
gateway
transceiver
repeater
===========================================================================
What organization developed the TCP/IP reference model?

Internet Engineering Task Force (IETF)
National Intstitute of Standards and Technology (NIST)
Department of the Navy (DoN)
Department of Defense (DoD) *
Massachusetts Institute of Technology (MIT)
Stanford University
===========================================================================
Which of the following is true regarding CDP and the graphic shown?

CDP running on Router D will gather information about routers A, B, C, and E.
By default, Router A will receive CDP advertisements from routers B and C.
*If routers D and E are running different routing protocols, they will not exchange CDP information.
Router E can use CDP to identify the IOS running on Router B.
===========================================================================
How would an administrator configure a static route for use if a primary route failed?

configure the route with a metric greater than the default value
configure the route and the router will activate it as needed
configure the route to activate by using the redistribute static command
*configure the route with an administrative distance greater than the default value
===========================================================================
Convert the Hexadecimal number A2 into its Base 10 equivalent. Select the correct answer from the list below.

156
158
160
*162
164
166
===========================================================================
*What happens on an Ethernet network after a collision occurs? (Choose three.)

A backoff algorithm is invoked and transmission is stopped.
Devices involved in the collision have a random period of time for priority retransmission of the damaged packet.
The devices involved in the collision release a token indicating the time each station may begin retransmitting.
*The devices involved in the collision do not have priority to transmit data.
*The devices with data to transmit return to a listen-before-transmit mode.
Transmit work will restart with the reissuance of all data.
===========================================================================
Which of the following types of networks pass a token sequentially to each host? (Choose two.)

Ethernet
*Token Ring
*FDDI
Frame Relay
ISDN
===========================================================================
What is the length of a MAC address?

8 bits
8 bytes
24 bits
24 bytes
*48 bits
48 bytes
===========================================================================
Which of the following are TCP services? (Choose three.)

address resolution
end-to-end communication
*flow control
reliability of data delivery
path determination
*data representation
===========================================================================
Routers have different types of memory. Choose the answer that describes RAM.

provides working storage
*stores a fully functional IOS image
stores the startup configuration file
initializes the code used in router startup
===========================================================================
Which command will display routing table information about all known networks and subnetworks?

Router# show ip interfaces
Router# show ip connections
*Router# show ip route
Router# show ip networks
===========================================================================
Which of the following statements describe distance vector routing updates? (Choose three.)

Topology changes are transmitted to all routers at once.
Routers send their entire routing tables in distance vector updates.
*Path cost metrics for each route are included in the updates.
Periodic updates are sent directly to every router in the network.
*Routing updates are sent periodically to adjacent routers.
*Routers send only the state of their own links in distance vector updates.
===========================================================================
Which ICMP message type notifies source hosts that a receiving host or network is not available?

time exceeded
redirect
*destination unreachable
source quench
parameter problem
echo reply
===========================================================================
How many total subnets are created by applying the subnet mask 255.255.252.0 to a Class B network?

4
6
*64
252
255
1024
===========================================================================
Which of the following conditions will cause a router using holddown timers to ignore an update?

an update from a different router with a better metric
an update from a different router with a poorer metric
an update from the same router with a better metric
*an update from the same router with a poorer metric
===========================================================================
Which IP packet field will prevent endless loops?

type-of-service
identification
flags
*time-to-live
header checksum
===========================================================================
Which of the following is a network type that is widely used in dialup networking?

shared media
point-to-point
extended shared media
*point-to-multipoint
===========================================================================
When a network administrator applies the subnet mask 255.255.255.248 to a Class A address, for any given subnet, how many IP addresses are available to be assigned to devices?

1022
510
254
126
30
*6
===========================================================================
Cisco Discovery Protocol (CDP) operates at which OSI Layer?

physical layer
network layer
*data link layer
presentation layer
===========================================================================
Which protocol can be used to load or retrieve Cisco IOS images to or from a router?

SNMP
*TFTP
UDP
TCP
===========================================================================
Which of the following is a transport layer protocol of the TCP/IP model?

FTP
*UDP
IP
TFTP
===========================================================================
Which of the following is created with switched full-duplex transmission?

more collision domains
fewer collision domains
*no collision domains
no increase in broadcast domains
more broadcast domains
===========================================================================
Which of the following IP addresses are broadcast addresses if the subnet mask is 255.255.255.240? (Choose three.)

*75.32.75.15
205.16.35.11
*199.254.129.111
*129.130.17.143
135.2255.93
105.33.62.213
===========================================================================
What type of routing uses information that is manually entered into the routing table?

dynamic
interior
*static
standard
===========================================================================
What is used to resolve known IP addresses to unknown MAC addresses?

*ARP
DNS
DHCP
RARP
===========================================================================
Which of the following OSI layers offers reliable, connection-oriented data communication services?

session
*transport
network
data link
===========================================================================
Which of the following are benefits of creating a subnetwork structure in an IP network? (Choose three.)

permits network address duplication
*allows for address flexibility
*prevents address replication
provides broadcast containment
*adds low-level security
allows for more network hosts available
===========================================================================
How many IP addresses can be assigned to host devices on each subnet of a Class B network with a subnet mask of 255.255.255.248?

3
5
6
8
30
*8190
===========================================================================
After a Telnet session has been suspended, which actions will restart the session? (Choose two.)

pressing Enter to restart the most recent session
using the resume command followed by a session ID
*typing the session ID followed by pressing Enter
*using the resume command followed by the IP address
===========================================================================
Which layer of the OSI model covers physical media?

*Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
===========================================================================
Which protocol is used by FTP to transfer files over the Internet?

*TCP
SMTP
UDP
SNMP
===========================================================================
Which of the following factors should be considered when selecting a routing protocol to be implemented in an enterprise network? (Choose three.)

*bandwidth consumption
*router memory requirements
router location
spanning tree size
*router processor capability
flow control capability
===========================================================================
A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.)

*The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
*Workstation A will send an ICMP echo request message to workstation B.
Workstation B will send an ICMP echo reply message to workstation A.
===========================================================================
Which mode will a router enter if it is unable to locate a valid startup configuration file during the boot process?

Boot mode
Config mode
Setup mode
Startup mode
===========================================================================
Which protocol of the TCP/IP model internet layer provides connectionless, best-effort-delivery of datagrams?

ARP
ICMP
IP
RARP
*TCP
DNS
===========================================================================
Which of the following does a router use to make a forwarding decision?

*destination IP address
MAC address
source IP address
encapsulation address
default gateway
===========================================================================
Routers have different types of memory. Choose the answer that describes NVRAM.

provides working storage
*stores a fully functional IOS image
stores the startup configuration file
initializes the code that is used to boot the router
===========================================================================
Which statement is correct concerning routing and routed protocols?

A routed protocol allows the routers to communicate with other routers and maintain tables for a routing protocol.
A routing protocol allows routers to communicate with other routers and maintain tables for a routed protocol.
*Routers only need to use routing protocols to work properly.
There is no difference between routed and routing protocols.
===========================================================================
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