Author:
rrt (feefefefefefef)
| [ Next Thread |
Previous Thread |
Next Message |
Previous Message
]
Date Posted: 23:35:25 10/11/07 Thu
In reply to:
Omarc
's message, "Re: to give free ccna questions and answers" on 06:04:07 05/05/05 Thu
>>please send me ccna 4 semester questions and answers
>modules exams and final exam please to this email:
>Omar.Cruz.Soto@gmail.com
Posted: Tue Aug 29, 2006 11:27 am Post subject: Re: VOUCHER CCNA!!!!
--------------------------------------------------------------------------------
ANSwer of ur Question
Aiman
aaiman@banglacafe.com
================
1 What is the term for the cabling that connects the customer premises equipment to the CO switch?
demarc
*local loop
final mile
DTE
trunk line
2 A network administrator wants to reconfigure a router. Which of the following will clear the running-configuration in preparation for the reconfiguration?
erase running-config and then reload
erase running-config
reload
no running-config and then reload
*erase startup-config and then reload
delete running-config
3 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.
4 How is spanning-tree path cost determined by default?
total hop count
*sum of the costs based on bandwidth
dynamically determined based on load
individual link cost based on latency
5 Which of the following statements describes the operation of routing with EIGRP? (Choose three.)
*As new neighbors are discovered, entries are placed in a neighbor table.
If the feasible successor has a higher advertised cost than the current successor route, then it becomes the primary route.
*If hello packets are not received within the hold time, DUAL must recalculate the topology.
*The reported distance is the distance to a destination as advertised by a neighbor.
Routes learned through IGRP are identified as internal routes.
EIGRP builds one routing table that contains routes for all configured routed protocols.
6 What are the two basic functions that a router uses to relay packets?
filtering and switching
path determination and filtering
*path determination and switching
traffic analysis and filtering
7 A partial configuration of a Catalyst 1900 switch is shown in the graphic. Why do the following commands fail to delete VLAN1 and VLAN2? (Choose two.)
no vlan 1
no vlan 2
VLAN 1 is not configured on the switch.
*VLAN 1 is the default VLAN and cannot be removed.
The network administrator is using the wrong command.
*The switch is configured in VTP client mode.
Ports are still assigned to VLAN 1 and VLAN 2 and the VLANs cannot be deleted until those assignments are removed.
8 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096
9 What is another term for latency?
backoff algorithm
hold-down timer
*propagation delay
redundancy
10 What are the two authentication options supported by PPP?
PAP and clear text
*PAP and CHAP
CHAP and clear text
PPP does not support authentication
11 Which statement best describes the difference between exterior routing protocols and interior routing protocols?
Exterior routing protocols are used for communications within a single autonomous system, and interior routing protocols are used for communications between autonomous systems.
Interior routing protocols are used between neighbor routers, and exterior routing protocols are used between peer routers.
Interior routing protocols are used by mid size companies, and exterior routing protocols are used by large organizations.
*Interior routing protocols are used for communications within a single autonomous system, and exterior routing protocols are used for communications between autonomous systems.
12 Which of the following is a non-ISDN compatible device that requires a terminal adapter to connect to an ISDN network?
NT1
NT2
TA1
TA2
TE1
*TE2
13 Which device imposes boundaries on broadcast traffic?
bridge
repeater
*router
transceiver
14
Refer to exhibit. Given the topology shown in the exhibit, what three commands are needed to configure EIGRP on the Paris router? (Choose three.)
*Paris(config)# router eigrp 100
Paris(config)# router eigrp
Paris(config-router)# network 192.168.6.0
Paris(config-router)# network 192.168.7.0
Paris(config-router)# network 192.168.8.0
Paris(config-router)# network 192.168.9.0
15 Which ISDN channel is used for call setup?
B
*D
X
SS-7
PRI
BRI
16
Host A in the graphic has received its DHCP configuration from R1. Host A is unable to reach the Internet. What could cause this problem?
The DNS server is not on the same LAN as Host A.
The ip helper-address command must be configured on the Ethernet interface.
*Host A did not receive the correct gateway address.
The DHCP service has not been enabled on interface e0.
The router IP address has been excluded from the DHCP pool.
The subnet mask in the network command is incorrect.
17 Which utility can be used to verify connectivity through all seven layers of the OSI model?
netstat
ping
*Telnet
traceroute
18 Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably and accurately?
application
presentation
session
*transport
network
19 Which of the following represents a group of routers under a common administration and is required when configuring routing protocols such as EIGRP?
control group
*autonomous system
corporate system
Domain Name System
local-area network
wide-area network
20 How is RIP configured on a router?
RIP is configured globally and then assigned an IP address and subnet mask.
RIP is configured globally and then applied to each interface that will participate in the RIP routing process.
RIP is configured individually on each interface that will participate in the RIP routing process.
*RIP is enabled globally and then networks are associated with the RIP routing process.
21 What are the advantages of OSPF in comparison with RIP v2? (Choose two.)
OSPF provides support for Classless Interdomain Routing but RIP v2 does not.
*OSPF may result in faster convergence, due to triggered updates.
OSPF's built-in features make it easy to design, implement, and troubleshoot.
*OSPF routers build a complete view of the network, reducing the potential for routing loops.
OSPF sends periodic link state advertisements to keep the link active.
OSPF routers have lower memory and processor requirements.
22 Which protocol of the TCP/IP model internet layer provides connectionless, best-effort-delivery of datagrams?
ARP
ICMP
*IP
RARP
TCP
DNS
23 Which of the following is an alternative to a dedicated WAN link?
X.25
ISDN
*T1
DS3
24
The internetwork in the diagram is assigned a Class B network address of 130.68.0.0. The network cannot use subnet zero but will use a single network mask for the internetwork. What subnet mask should be assigned to ensure the maximum number of host addresses are available for use on each subnetwork?
255.255.224.0
255.255.240.0
255.255.248.0
255.255.252.0
255.255.255.224
255.255.255.240
25
A packet destined for 10.188.12.12 is received by a router with the configuration shown in the graphic. The routing table displays the following lines:
10.0.0.0/24 is subnetted, 3 subnets
R 10.5.5.0 [120/1] via 10.20.20.2, 00:00:18, Serial0/0
C 10.20.20.0 is directly connected, Serial0/0
C 10.10.10.0 is directly connected, FastEthernet0/0
What will happen?
The packet will be forwarded to the next hop.
The router will forward the packet out all ports.
*The packet will be dropped.
The router will forward the packet out all ports except the receiving port.
26 How is an access list implemented in a router?
Enter the access list statements globally and apply the list globally.
*Enter the access list statements globally and apply the list to a specific interface.
Enter the access list statements on a specific interface and apply the list globally.
Enter the access list statements on a specific interface and apply the list to that same interface.
27 What are the primary functions of a Layer 2 Ethernet switch? (Choose three.)
*filters traffic between LAN segments
*achieves greater bandwidth per user
prevents hosts from sending broadcasts
*increases the number of broadcast domains through VLANs
decreases the number of collision domains through VLANs
28 Which of the following describes the CIR in a Frame Relay network?
*guaranteed data rate that the service provider commits to providing
maximum data burst rate that the switch can handle
number of simultaneous virtual circuits available from a service provider
number of simultaneous DLCIs that can be established across the cloud
29 Which statements reflect the process of common LAN protocols accessing the media? (Choose three.)
*Ethernet is a non-deterministic protocol that allows the first node that accesses the medium to transmit its data.
*Token Ring is a deterministic protocol that allows only one node within the ring a turn to transmit data before passing control to the next node.
Token Ring is a non-deterministic protocol that uses a first-come, first-serve approach for nodes to seize the token and transmit data.
FDDI networks use a deterministic approach to assure that each node has fair access to the medium.
*Ethernet and Token Ring networks avoid collisions by allowing only one node to transmit at a time.
Ethernet is a deterministic protocol that uses CSMA/CD to assure that each node takes turns to access the medium.
30 What is the purpose of DLCIs in Frame Relay?
They determine the Frame Relay encapsulation type.
*They identify the logical circuit between a local router and a Frame Relay WAN switch.
They represent the keepalives used to maintain the PVC in an active state.
They represent the physical address of the router attached to a Frame Relay network.
31 An administrator has an older 1900 switch located on the edge of the network. What can the network administrator do to ensure that it does not become the root bridge of the spanning-tree network?
decrease the BPDU hello timer update on the 1900
assign the highest IP address to the switch that should be the root
assign the lowest IP address to new root bridge
*assign the lowest priority to the switch that should be the root
assign the highest priority to the new root bridge
decrease the BID on the 1900 switch
32 What command is used to verify that a Frame Relay link is up and operational?
Router# show line
Router# show version
*Router# show interface
Router# show frame-relay
Router# show frame-relay status
33 Which of the following are true regarding bridges and switches? (Choose two.)
Bridges are faster than switches because they have fewer ports.
*A switch is a multiport bridge.
*Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
A bridge will forward a broadcast but a switch will not.
Bridges and switches increase the size of a collision domain.
34 Which of the following does CHAP authentication use to increase security on a PPP link? (Choose three.)
periodic verification of identity while the link is established
*secure recording of playback attacks
transmission of the CHAP password in plain text
*the use of a unique and random challenge value
the use of a two-way handshake of CHAP exchanges
*identity verification at the startup of a link
35 When a user generates information to be sent on a network, in what order does data encapsulation occur?
data, frame, segment, packet, bits
data, packet, frame, segment, bits
data, packet, segment, frame, bits
*data, segment, packet, frame, bits
36 Which of the following are characteristics of RIPv2? (Choose two.)
requires classful addressing for configured interfaces
*forwards routing updates using multicasts
forwards routing updates using broadcasts
operates as a hybrid routing protocol
*supports variable-length subnet masking
37 Which command will verify that a router is configured with RIPv2 and that the hold-down timer and administrative distance are set to the default values?
show ip route
show interface brief
*show ip protocols
show interface
38
The network in the graphic is using EIGRP with the metrics shown. Router A has a route to network 210.67.130.0 through Router C, with a feasible distance of three. What will happen if the direct link between A and C becomes unavailable? (Choose two.)
DUAL will immediately promote the feasible successor route through Router B to successor route status.
The route to Network C on Router A will be placed in Active status.
The route to Network C on Router A will be placed in Passive status.
Router A will send query packets to all neighbor routers.
Router A will mark the link as down until regularly scheduled update packets are received.
39 What operations can be executed from the Router> prompt? (Choose two.)
*enter privileged mode with the enable command
modify passwords
modify the router name with the hostname command
*view basic router status
view passwords
view the running-configuration with the show running-config command
40 What is the reference point for a connection between a TA and a non-ISDN-compatible device?
*R
S
T
U
41 Which item is a commonly used metric?
ARP
*Hop Count
Acknowledgment Number
Time
42 Which ISDN channels are used for voice, video, and data?
A channels
*B channels
E channels
D channels
Q channels
E channels
43 A static route needs to be configured to network 192.17.10.0/24. This route should have an administrative distance of 180. Which command will configure this route if the IP address of the next hop interface is 10.15.0.1?
Router(config)# ip route 192.17.10.1 255.255.255.0 10.15.0.0 180
*Router(config)# ip route 192.17.10.0 255.255.255.0 10.15.0.1 180
Router(config)# ip route 10.15.0.1 192.17.10.0 255.255.255.0 180
Router (config)# ip static-route 192.17.10.0 255.255.255.255 10.15.0.1 180
Router (config)# ip default-route 192.17.10.0 255.255.255.255 10.15.0.1 180
44 Which statements are true regarding OSPF DR and BDR elections? (Choose three.)
*The command ip ospf prioritypriority number is used to set the priority value that determines the DR.
The default priority value for a router connected to a multiaccess network is 0.
The router with the highest MAC address is elected as the DR when the default priority values are used.
The loopback interface must be configured on the DR.
*The BDR is selected from remaining routers and uses the same criteria applied in the DR election.
*There are no DRs or BDRs on point-to-point links.
45 Which packet-switched WAN technologies are characterized by the use of Permanent Virtual Circuits (PVCs)?
Frame Relay and ISDN
*Frame Relay and X.25
ISDN and X.25
ISDN only
46 Which statement describes the store and forward transmission mode of an Ethernet switch?
It is also referred to as a hybrid mode or as error sensing mode.
It requires the switch to read the first 64 bytes of an Ethernet frame and then begins to forward the data.
It decreases the latency of the transmission but has very little error detection.
*It increases latency with large frames, but error detection is high.
47 Which configuration parameters can a host receive from a DHCP server? (Choose three.)
MAC address
outside global address
*DNS server address
DHCP helper address
*default gateway address
*IP address/subnet mask
48 Which layer of the OSI model can provide connection-oriented and reliable data transfer between two hosts?
application
presentation
session
*transport
49 Which utility shows the route a packet takes to reach its destination?
netstat
ping
Telnet
*traceroute
50 Which command displays the active configuration of a router?
Router# show flash
Router# show configuration
*Router# show running-config
Router# show startup-config
51 In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
*destination network address
source network address
source MAC address
well known port destination address
52
In an effort to minimize traffic, an administrator decided to keep web traffic from causing the ISDN link to come up by denying WWW traffic to the 192.168.20.5 remote server. Two minutes after making changes to the configuration as shown in the graphic, the administrator notices that web traffic is still passing over the link. What is the most likely cause of the problem?
The dialer-group has not been applied to outbound traffic.
The access-list is incorrectly configured.
Broadcasts are creating "interesting" traffic and keeping the link active.
The command ip access-group 128 out is missing from the bri0/0 interface.
53 Which layer of the OSI model establishes, manages, and terminates sessions between applications?
Layer 7
Layer 6
*Layer 5
Layer 4
Layer 3
Layer 2
54 When using distance-vector routing protocols in a frame relay environment with multiple DLCIs on a single physical router interface, split-horizon issues must be resolved. According to Cisco best practices, what should be configured to manage these issues?
a single network address
multiple LMIs
*subinterfaces
multiple IP addresses on the same subnet
55 Which automatic process is started first whenever power is applied to a Cisco router?
empties contents of NVRAM
looks for the configuration file
*performs a POST
starts the operating system
56 What is the length of a MAC address?
12 bits
24 bits
38 bits
*48 bits
57 Identify the correct pairing of protocols and their classifications.
Routed - IP, RIP
Routed - RIP, OSPF
Routing - IPX, RIP
*Routing - OSPF, RIP
58 Which protocols or applications allow a network administrator to monitor a network? (Choose three.)
FTP
*SNMP
*RMON
*syslog
DHCP
SMTP
59 Which type of encapsulation is recommended to be used to connect two routers from different vendors through a dedicated point-to-point connection?
CIR
FCS
ANSI
*PPP
HDLC
60 Which command will display statistics for all interfaces configured on a router?
list interfaces
*show interfaces
show processes
show statistics
61 What is the correct order of the layers of the OSI reference model, starting at the lowest layer and working up the model?
data link, physical, transport, network, presentation, session, application
physical, data link, network, session, transport, presentation, application
physical, data link, network, transport, presentation, session, application
*physical, data link, network, transport, session, presentation, application
application, session, presentation, transport, data link, network, physical
62 What is the purpose of the IOS enable secret command?
to set password protection on incoming Telnet sessions
*to set password protection on the console terminal
to allow a user access to User mode
to allow a user to enter a password that will be encrypted
63 How are VLANs configured?
by moving switches to different router ports
by changing switchports for each host on the segment
by physically moving equipment to a different network
*through software
through hardware
automatically with a plug and play module
64
The administrator of the network shown in the graphic would like to use VLSM to subnet the company's Class C address. Which subnet masks should be used on the LANs and serial links to waste the fewest host addresses? (Choose three.)
255.255.255.0
255.255.255.192
255.255.255.224
255.255.255.240
255.255.255.248
*255.255.255.252
65 Which fields are common to the TCP and the UDP segments? (Choose two.)
*source address
sequence number
acknowledgement number
options
checksum
*destination port
Back to top
[
Next Thread |
Previous Thread |
Next Message |
Previous Message
] |
Feedback: 