Friday, November 13, 2009

CCNA 1 Module 7 Exam Result

CCNA 3.1 Semester 1 Module 7 Exam Result met 100% (use ctrl+f for faster search)

1 Which Ethernet standard does the IEEE 802.3 standard recommend for backbone installations?
*1000BASE-LX

2 Which statements describe Gigabit Ethernet technology? (Choose two.)
*typically used for backbone cabling
*can be implemented over copper and fiber


3 Which of the following are Fast Ethernet technologies? (Choose two.)
*100BASE-FX
*100BASE-TX

4 To make sure timing limitations are not violated when implementing a 10 Mbps Ethernet network involving hubs or repeaters, a technician should adhere to which rule?
*the 5-4-3 rule

5 At which OSI layer do the differences between standard Ethernet, Fast Ethernet and Gigabit Ethernet occur?
*physical layer

6 How does 1000BASE-T use the UTP wire pairs to accomplish transmission?
*all four pairs are used in parallel by both hosts to transmit and receive simultaneously

7 What RJ-45 pins are unused when transmitting and receiving data in an Ethernet 100BASE-T Category 5 UTP cable? (Choose two.)
*4 and 5
*7 and 8

8 What is the maximum distance that 10BASE-T will transmit data before signal attenuation affects the data delivery?
*100 meters

9 Which media types can be used in an implementation of a 10BASE-T network? (Choose three.)
*Category 5 UTP
*Category 5e UTP
*Category 3 UTP

10 Which of the following Ethernet technologies are considered legacy Ethernet? (Choose three.) *10BASE2
*10BASE5
*10BASE-T


Read more »

CCNA 1 Module 8 Exam Result

CCNA 3.1 Semester 1 Module 8 Exam Result met 87.6% (use ctrl+f for faster search)

1. What is characteristic of the operation of a Layer 2 switch?
*uses the destination MAC address to determine the specific interface to forward a frame

2 Two newly hired technicians are discussing the implementation of a new LAN. One technician proposes installing a hub. The other technician advises installing a switch. Which statements are true about the differences between a hub and a switch? (Choose two.)
*A switch provides more throughput to hosts on a LAN
*A switch provides a collision-free environment on a LAN.


3. Refer to the exhibit. Forty-eight workstations are connected to a hub. The users are able to connect to the network, but access is very slow. An entry-level technician replaces the 10 Mbps hub with 100 Mbps hub but the problem still exists. What is the most economical way to correct the problem?
*Replace the hub with a switch.

4. Exhibited is a portion of ABC Company internetwork. Which of the connections can be full duplex?
*segments 2, 3, and 4

5 Refer to the exhibit. The switch and the hub have default configurations, and the switch has built its CAM table. Which of the hosts will receive the data when workstation A sends a unicast packet to workstation C?
*workstation C

6 An administrator would like to connect ten workstations on a 192.168.0.0/24 network. The device selected by the administrator must allow connectivity between hosts without sharing bandwidth. Which device would be appropriate?
*switch

7 Which networking devices use the MAC address to make forwarding decisions? (Choose two.)
*bridge
*switch

8 Which devices are primarily used to extend cable segments within a collision domain by regenerating the data signals? (Choose two.)
*repeater
*hub


9 Which devices will create multiple collision domains in an Ethernet network? (Choose two.)
*switch
*router

10 Refer to the exhibit. How many broadcast domains exist in classroom 240?
*1

11 A PC receives a frame. Which situation will cause the NIC on the receiving host to pass the frame contents up the OSI layers to be processed by the PC?
*The destination MAC address of the frame is FFFF.FFFF.FFFF.

12 A network administrator has a multi-floor LAN to monitor and maintain. Through careful monitoring, the administrator has noticed a large amount of broadcast traffic slowing the network. Which device would you use to best solve this problem?
*router

13 What will a bridge do if it receives a frame with a MAC address that is not within the table?
*send frame to all ports except source port

14 Which networking device reduces the size of both collision domains and broadcast domains?
*router

15 What is used to prevent Layer 2 switching loops?

Read more »

CCNA 1 Module 9/10 Exam Result

CISCO CCNA 3.1 Semester 1 Module 9/10 Exam Result
ENGLISH [25 questions]
correct answers are marked with *

1 What is the primary responsibility of the transport layer?
allows access to the network media
provides data representation and encoding
selects paths through the network for data to travel
* defines end-to-end connectivity between host applications

2 Why is IP considered a best-effort protocol?
IP detects lost packets.
IP validates the content of the packets.
* IP does not provide acknowledgment of the data delivery.
IP reorders the packet as they arrive at the destination host.

3 Which two statements correctly describe the IP address 127.0.0.1? (Choose two.)
* It belongs to the Class A range of addresses.
It belongs to the Class B range of addresses.
It belongs to the Class C range of addresses.
* It is reserved for loopback testing.
It is reserved for multicast group testing.
It is reserved for unicast testing.

4 [some graphics here: a white rectangle with some console dump]
Refer to the exhibit. Which two statements are correct in reference to the output shown? (Choose two.)
The LAN segment is subnetted to allow 254 subnets.
The DNS server for this host is on the same subnet as the host.
The host automatically obtained the IP addresses 192.168.1.100.
* The host received the IP address from the router on the local LAN segment.
* The host is assigned an address of 00-50-8D-F1-EA-8D by the administrator.

5 Which three addresses are considered to be private addresses? (Choose three.)
* 10.45.09.23
15.87.234.87
172.32.45.90
* 172.17.78.98
192.169.89.56
* 192.168.45.23

6 What is the purpose of a DHCP server on a network?
to resolve MAC addresses to IP addresses
to resolve IP addresses to MAC addresses
to resolve host names to IP addresses
* to assign IP addresses dynamically to hosts
to assign a MAC address to a host


7 Refer to the exhibit. The small office LAN shown in the exhibit may eventually be connected to the Internet. According to Cisco best practice, which IP network addresses should be used?
12.0.0.0
172.0.0.0
172.168.0.0
192.32.17.0
* 192.168.67.0
225.1.5.0

8 Refer to the exhibit. Which devices are recommended to have the IP addresses manually configured?
PC1 and PC2
* all servers
only PC2 Laptop
all hosts and all servers

9 Refer to the exhibit. Based on the information shown, which two statements are true? (Choose two.)
An ARP request must be used to obtain an address that is placed in the ARP table.
Frames from other hosts in the network to this host will use a destination address of 00-06-25-25-6e-5d.
The only remote locations that can be reached from this host are 192.168.1.97 and 192.168.1.254.
* If a packet is sent to a network device other than 192.168.1.97 and 192.168.1.254, an ARP request must be used.
* If the computer with the IP address of 192.168.1.94 sends a packet to the device with the IP address 192.168.1.97, no ARP request is required.

10 Which TCP/IP model layer supports both LAN and WAN technologies?
* network access layer
internet layer
transport layer
application layer

11 Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?
255.255.0.0
* 255.255.255.0
255.255.254.0
255.255.248.0

12 Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)
source IP address: 192.168.10.129
source IP address: BBBB.3333.5677
source MAC address: 5555.AAAA.6666
destination IP address: 192.168.10.33
* destination IP address: 192.168.10.134
* destination MAC address: 9999.DADC.1234

13 What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?
only the Layer 2 source address
only the Layer 2 destination address
only the Layer 3 source address
only the Layer 3 destination address
* the Layer 2 source and destination address
the Layer 3 source and destination address

14 Host A is connected to the LAN, but it cannot connect to the Internet. The host configuration is shown in the exhibit. What are the two problems with this configuration? (Choose two.)
* The host subnet mask is incorrect.
The host is not configured for subnetting.
The default gateway is a network address.
* The default gateway is on a different network than the host.
The host IP address is on a different network from the Serial interface of the router.

15 An IP network address has been subnetted so that every subnetwork has 14 usable host IP addresses. What is the appropriate subnet mask for the newly created subnetworks?
255.255.255.128
255.255.255.224
* 255.255.255.240
255.255.255.248
255.255.255.252

16 A company is using a Class B IP addressing scheme and expects to need as many as 100 networks. What is the correct subnet mask to use with the network configuration?
255.255.0.0
255.255.240.0
* 255.255.254.0
255.255.255.0
255.255.255.128
255.255.255.192

17 Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network. By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the IP server properties to get connectivity to the network through the router?
IP address: 192.168.10.38 Subnet mask: 255.255.255.240 Default gateway: 192.168.10.39
IP address: 192.168.10.38 Subnet mask: 255.255.255.240 Default gateway: 192.168.10.33
* IP address: 192.168.10.38 Subnet mask: 255.255.255.248 Default gateway: 192.168.10.33
IP address: 192.168.10.39 Subnet mask: 255.255.255.248 Default gateway: 192.168.10.31
IP address: 192.168.10.254 Subnet mask: 255.255.255.0 Default gateway: 192.168.10.1

18 Refer to the exhibit. A technician is planning an addressing scheme for a branch office as shown in the exhibit. What is the status of the intended network?
The configuration will work as planned.
The subnetwork mask of host A is incorrect.
The default gateway of host A is a network address.
* The addresses on the router LAN interfaces are on the same subnetwork.
The IP address of host A is on a different subnetwork than the subnetwork that the Ethernet router interface is on.

19 Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?
The subnet mask of host 2 is incorrect.
* Host 1 and host 2 are on different networks.
The switch needs an IP address that is not configured.
The router LAN interface and host 1 are on different networks.
The IP address of host 1 is on a different network than is the LAN interface of the router.

20 Refer to the exhibit. A network administrator is planning the addressing scheme for the LAN using 172.25.14.0/26. The hosts are to be assigned addresses 172.25.14.1 – 172.25.14.25. The LAN interface of the router is to be configured using 172.25.14.63 as the IP address. What would describe this addressing scheme?
The LAN is being addressed properly.
The subnet that is being assigned is not a usable subnet address.
* The router LAN interface is being assigned a broadcast address.
The subnet mask does not allow enough host addresses in a single subnet.

21 Which type of routing allows routers to adapt to network changes?
static routes
* dynamic routing
only default routes
No routing is necessary.

22 How does a router decide where the contents of a received frame should be forwarded?
* by matching destination IP addresses with networks in the routing table
by matching the destination IP address with IP addresses listed in the ARP table
by matching the destination MAC address with MAC addresses listed in the CAM table
by forwarding the frame to all interfaces except the interface on which the frame was received

23 What do switches and routers use to make forwarding decisions?
Switches and routers both use IP addresses.
Switches and routers use both MAC and IP addresses.
Switches use IP addresses. Routers use MAC addresses.
* Switches use MAC addresses. Routers use IP addresses.
Switches use MAC and IP addresses. Routers use IP addresses.

24 Refer to the exhibit. A newly hired technician is testing the connectivity of all hosts by issuing a ping command. The technician notices that a default gateway is not configured on all the hosts, but all hosts have connectivity between hosts, a fact which seems to confuse the technician. How would you explain the connectivity to the technician?
The hosts are detecting the default gateway configured on the hub.
* The hosts are all in one LAN, so default gateway information is not needed.
The hosts in the network only require that one host has a gateway configured.
The hosts in the network would only need a gateway if a switch replaces the hub.
The hosts are using broadcast to reach each other since no gateway is configured.

25 Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong?
172.32.65.0
172.32.65.32
* 172.32.0.0
172.32.32.0

Read more »

CCNA 1 Module 10 Exam Result

CCNA 3.1 Semester 1 Module 10 Exam Result (stared are correct, use ctrl+F for fast search)

1 At which layer of the OSI model does the device reside that is functioning as the default gateway for hosts on a network?
Layer 1
Layer 2
* Layer 3
Layer 4
Layer 5
Layer 7


2 A company is planning to subnet its network for a maximum of 27 hosts. Which subnet mask would provide the needed hosts and leave the fewest unused addresses in each subnet?
255.255.255.0
255.255.255.192
* 255.255.255.224
255.255.255.240
255.255.255.248

3 Refer to the exhibit. A network administrator is planning the addressing scheme for the LAN using 172.25.14.0/26. The hosts are to be assigned addresses 172.25.14.1 – 172.25.14.25. The LAN interface of the router is to be configured using 172.25.14.63 as the IP address. What would describe this addressing scheme?

The LAN is being addressed properly.
The subnet that is being assigned is not a usable subnet address.
* The router LAN interface is being assigned a broadcast address.
The subnet mask does not allow enough host addresses in a single subnet.

4 Refer to the exhibit. A student in the Cisco network class has designed a small office network to enable hosts to access the Internet. What recommendation should the teacher provide to the student in regards to the network design?

Replace the Layer 2 switch with a hub.
* Replace the Layer 2 switch with a router.
Replace the Layer 2 switch with a bridge.
Replace the Layer 2 switch with a transceiver.

5 Which type of routing allows routers to adapt to network changes?
static routes
* dynamic routing
only default routes
No routing is necessary.

6 Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)
source IP address: 192.168.10.129
source IP address: BBBB.3333.5677
source MAC address: 5555.AAAA.6666
destination IP address: 192.168.10.33
* destination IP address: 192.168.10.134
* destination MAC address: 9999.DADC.1234

7 Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong?
172.32.65.0
172.32.65.32
* 172.32.0.0
172.32.32.0

8 What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?
only the Layer 2 source address
only the Layer 2 destination address
only the Layer 3 source address
only the Layer 3 destination address
* the Layer 2 source and destination address
the Layer 3 source and destination address

9 Host A is connected to the LAN, but it cannot connect to the Internet. The host configuration is shown in the exhibit. What are the two problems with this configuration? (Choose two.)

* The host subnet mask is incorrect.
The host is not configured for subnetting.
The default gateway is a network address.
* The default gateway is on a different network than the host.
The host IP address is on a different network from the Serial interface of the router.

10 Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network. By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the IP server properties to get connectivity to the network through the router?

IP address: 192.168.10.38 Subnet mask: 255.255.255.240 Default gateway: 92.168.10.39
IP address: 192.168.10.38 Subnet mask: 255.255.255.240 Default gateway: 92.168.10.33
* IP address: 192.168.10.38 Subnet mask: 255.255.255.248 Default gateway: 92.168.10.33
IP address: 192.168.10.39 Subnet mask: 255.255.255.248 Default gateway: 92.168.10.31
IP address: 192.168.10.254 Subnet mask: 255.255.255.0 Default gateway: 192.168.10.1

11 How does a router decide where the contents of a received frame should be forwarded?
* by matching destination IP addresses with networks in the routing table
by matching the destination IP address with IP addresses listed in the ARP table
by matching the destination MAC address with MAC addresses listed in the CAM table
by forwarding the frame to all interfaces except the interface on which the frame was received

12 Refer to the exhibit. A newly hired technician is testing the connectivity of all hosts by issuing a ping command. The technician notices that a default gateway is not configured on all the hosts, but all hosts have connectivity between hosts, a fact which seems to confuse the technician. How would you explain the connectivity to the technician?

The hosts are detecting the default gateway configured on the hub.
* The hosts are all in one LAN, so default gateway information is not needed.
The hosts in the network only require that one host has a gateway configured.
The hosts in the network would only need a gateway if a switch replaces the hub.
The hosts are using broadcast to reach each other since no gateway is configured.

13 What do switches and routers use to make forwarding decisions?
Switches and routers both use IP addresses.
Switches and routers use both MAC and IP addresses.
Switches use IP addresses. Routers use MAC addresses.
* Switches use MAC addresses. Routers use IP addresses.
Switches use MAC and IP addresses. Routers use IP addresses.

14 Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?

The host subnet mask is incorrect.
The default gateway is a network address.
The default gateway is a broadcast address.
* The default gateway is on a different subnet from the host.

15 How does subnetting provide some level of security in a network?
The number of switches must increase.
The collisions prevent the copying of data.
* The broadcasts are contained within a subnet.
The number of host IP addresses is increased.

16 Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?

The subnet mask of host 2 is incorrect.
* Host 1 and host 2 are on different networks.
The switch needs an IP address that is not configured.
The router LAN interface and host 1 are on different networks.
The IP address of host 1 is on a different network than is the LAN interface of the router.

17 What is the purpose of a subnet mask in a network?
A subnet mask is not necessary when a default gateway is specified.
A subnet mask is required only when bits are borrowed on a network.
* A subnet mask is used to determine in which subnet an IP address belongs.
A subnet mask is used to separate the 48-bit address into the OUI and the vendor serial number.

18 Refer to the exhibit. A technician is planning an addressing scheme for a branch office as shown in the exhibit. What is the status of the intended network?

The configuration will work as planned.
The subnetwork mask of host A is incorrect.
The default gateway of host A is a network address.
* The addresses on the router LAN interfaces are on the same subnetwork.
The IP address of host A is on a different subnetwork than the subnetwork that the Ethernet router interface is on.

19 What is the primary purpose of the routing process?
to propagate broadcast messages
to map IP addresses to MAC addresses
to switch traffic to all available interfaces
to map IP addresses to MAC addresses
* to find paths from one network or subnet to another

20 Which statements describe Layer 2 and Layer 3 packet address changes as the packet traverses from router to router? (Choose two.)
Layer 3 header is removed and replaced at every Layer 3 device.
Layer 2 and Layer 3 addresses do not change when the packet traverse.
* Layer 3 source and destination addresses do not change when the packet traverse.
* Layer 2 frame header and trailer are removed and replaced at every Layer 3 device.
Layer 2 source and destination addresses do not change when the packet travels.

21 Which type of routing uses manual entry of information and does not scale well in large internetworks?
interior
exterior
* static
dynamic

22 Company XYZ uses a network address of 192.168.4.0. It uses the mask of 255.255.255.224 to create subnets. What is the maximum number of usable hosts in each subnet?
6
14
* 30
62

23 A company is using a Class B IP addressing scheme and expects to need as many as 100 networks. What is the correct subnet mask to use with the network configuration?

255.255.0.0
255.255.240.0
* 255.255.254.0
255.255.255.0
255.255.255.128
255.255.255.192

24 Which device would add security to a network by not forwarding broadcasts?
hub
* router
switch
bridge
repeater

25 An IP network address has been subnetted so that every subnetwork has 14 usable host IP addresses. What is the appropriate subnet mask for the newly created subnetworks?
255.255.255.128
255.255.255.224
* 255.255.255.240
255.255.255.248
255.255.255.252

Read more »

CCNA 1 Module 11 Exam Result

CCNA 3.1 Semester 1 Module 11 Exam Result (stared are correct, use ctrl+F for faster search)

1 .Which port numbers are commonly assigned for FTP use? (Choose two.)
19
* 20
* 21
22

2 Which application layer protocol allows network devices to exchange management information?
SMTP
* SNMP
FTP
TFTP
EIGRP

3 FTP provides a reliable, connection-oriented service for transferring of files. Which transport layer protocol is used for data transfer when this service is being used?
TFTP
* TCP
DNS
IP
UDP


4 TCP is referred to as connection-oriented. What does this mean?
TCP uses only LAN connections.
TCP requires devices to be directly connected.
* TCP negotiates a session for data transfer between hosts.
TCP reassembles the data steams in the order that it is received.

5 What three pieces of information does the transport layer use to manage the communication of separate data streams between hosts? (Choose three.)
* port numbers
checksum values
authentication keys
* sequence numbers
encryption algorithms
* acknowledgment numbers

6 What does the http portion of the URL http://www.cisco.com/edu/ communicate to a web browser?
The web browser needs to locate the www server.
The address is located on a site whose name is http.
* The web browser is notified as to which protocol to use.
The http portion represents the type of web browser that needs to be used.

7 When the receiving workstation detects an error in the data it has received, it does not acknowledge receipt of the data. The source workstation retransmits the unacknowledged data. Which layer of the OSI model supports this process of retransmission?
network
application
session
* transport

8 What are the features of the User Datagram Protocol (UDP). (Choose three.)
* no guaranteed delivery of datagrams
connection-oriented
provides reliable full-duplex data transmission
*reliability provided by the application layer
* connectionless
utilizes sliding windowing techniques

9 Which Application layer protocol is widely used to support resolving host names to IP addresses?
FTP
SMTP
SNMP
* DNS
HTTP
WWW

10 What is the purpose of TCP/UDP port numbers?
indicate the beginning of a three-way handshake
reassemble the segments into the correct order
identify the number of data packets that may be sent without acknowledgment
* track different conversations crossing the network at the same time

11 If an application uses a protocol that exchanges data without using windowing or flow control and must rely on higher layer protocols for reliability, which protocol and transfer methods are being used?
UDP, connection-oriented
* UDP, connectionless
TCP, connection-oriented
TCP, connectionless

12 Which protocol is used to transfer files from computer to computer but is considered connectionless?
FTP
* TFTP
SNMP
TCP
DHCP

13 Which layer of the OSI model can provide a connection-oriented, reliable data transfer between two hosts?
Application
Presentation
Session
* Transport

14 Which of the following are primary duties of the OSI transport layer? (Choose two.)
path determination
* end-to-end connectivity
* flow control
security control
data representation
encryption of data

15 Which protocol is used by e-mail servers to communicate with each other?
FTP
HTTP
TFTP
* SMTP
POP
SNMP

Read more »

 
Cheap Web Hosting | Top Web Hosts | Great HTML Templates from easytemplates.com.