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Exam A
QUESTION 1
What does administrative distance refer to?
A. the cost of a link between two neighboring routers
B. the advertised cost to reach a network
C. the cost to reach a network that is administratively set
D. a measure of the trustworthiness of a routing information source
Correct Answer: D
QUESTION 2
What is the most efficient subnet mask for a small branch office with seven hosts?
A. 255.255.255.0
B. 255.255.255.248
C. 255.255.255.240
D. 255.255.255.224
Correct Answer: C
QUESTION 3
If you enter show interfaces serial 0/0 and receive the message “Serial0/0 is up, line protocol is down,” what are three possible causes? (Choose three.)
A. No cable is attached to the interface.
B. The clock rate is not set.
C. No keepalive messages are received.
D. The interface is shut down.
E. No loopback address is set.
F. There is a mismatch in the encapsulation type.
Correct Answer: BCF
QUESTION 4
Which two commands will display the current IP address and basic Layer 1 and 2 status of an interface? (Choose two.)
A. router#show version
B. router#show ip interface
C. router#show protocols
D. router#show controllers
E. router#show running-config
Correct Answer: CD
QUESTION 5
When files are transferred between a host and an FTP server, the data is divided into smaller pieces for transmission. As these pieces arrive at the destination host, they must be reassembled to reconstruct the original file. What provides for the reassembly of these pieces into the correct order?
A. the TTL in the IP header “Pass Any Exam. Any Time.” – www.actualtests.com 59 Cisco 640-822 Exam
B. the frame check sequence in the Ethernet frame trailer
C. the sequence number in the TCP header
D. the Start Frame Delimiter in the 802.3 Preamble
E. the acknowledgement number in the segment header
Correct Answer: C
QUESTION 6
What TCP message does a host send to establish a connection with a destination host?
A. Establish
B. Request open
C. SYN
D. ISN
E. ACK
F. HELLO
Correct Answer: C
QUESTION 7
What process is used to establish a connection-oriented virtual circuit between two communicating hosts?
A. flow control
B. sequencing
C. windowing
D. three-way handshake
E. duplexing
Correct Answer: D
QUESTION 8
What must occur before a workstation can exchange HTTP packets with a web server?
“Pass Any Exam. Any Time.” – www.actualtests.com 60 Cisco 640-822 Exam
A. A UDP connection must be established between the workstation and its default gateway.
B. A UDP connection must be established between the workstation and the web server.
C. A TCP connection must be established between the workstation and its default gateway.
D. A TCP connection must be established between the workstation and the web server.
E. An ICMP connection must be established between the workstation and its default gateway.
F. An ICMP connection must be established between the workstation and the web server.
Correct Answer: D
QUESTION 9
Refer to the exhibit.
Pierre has just installed the mail server and Switch2. For security reasons UDP packets are not permitted outbound on the Fa0/1 router interface. Pierre is now at his workstation testing the new installation and is not able to establish SMTP communication to the mail server.
“Pass Any Exam. Any Time.” – www.actualtests.com 61 Cisco 640-822 Exam What is the most likely cause for lack of communication between Pierre’s workstation and the mail server?
A. The crossover cable should be a straight-through cable.
B. UDP is blocked coming out of the Fa0/1 interface on the router.
C. The server should be directly connected to the router.
D. The IP addresses are all on the same network. No router is required.
Correct Answer: A
QUESTION 10
A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?
A. HTTP
B. DNS
C. DHCP
D. RARP
E. ARP
Correct Answer: E
QUESTION 11
Which transport layer protocol provides best-effort delivery service with no acknowledgment receipt required?
A. HTTP
B. IP
C. TCP
D. Telnet
E. UDP
Correct Answer: E QUESTION 12
Refer to the topology and switching table shown in the graphic.
Host B sends a frame to Host C. What will the switch do with the frame?
A. drop the frame
B. send the frame out all ports except port 0/2
C. return the frame to Host B
D. send an ARP request for Host C
E. send an ICMP Host Unreachable message to Host B
F. record the destination MAC address in the switching table and send the frame directly to Host C
Correct Answer: B
QUESTION 13
Which three statements are true about the operation of a full-duplex Ethernet network?
(Choose three.)
A. There are no collisions in full-duplex mode.
B. A dedicated switch port is required for each full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode.
D. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E. The host network card and the switch port must be capable of operating in full-duplex mode.
Correct Answer: ABE
QUESTION 14
If the hubs in the graphic were replaced by switches, what would be virtually eliminated?
A. broadcast domains
B. repeater domains
C. Ethernet collisions
D. signal amplification
E. Ethernet broadcasts
Correct Answer: C QUESTION 15
Refer to the exhibit.
“Pass Any Exam. Any Time.” – www.actualtests.com 64 Cisco 640-822 Exam
SwitchA receives the frame with the addressing shown in the exhibit. According to the command output also shown in the exhibit, how will SwitchA handle this frame?
A. It will drop the frame.
B. It will forward the frame out port Fa0/6 only.
C. It will forward the frame out port Fa0/3 only.
D. It will flood the frame out all ports.
E. It will flood the frame out all ports except Fa0/3.
Correct Answer: B
QUESTION 16
Refer to the exhibit.
“Pass Any Exam. Any Time.” – www.actualtests.com 65 Cisco 640-822 Exam A network administrator has configured a Catalyst 2950 switch for remote management by pasting into the console the configuration commands that are shown in the exhibit. However, a Telnet session cannot be successfully established from a remote host. What should be done to fix this problem?
A. Change the first line to interface fastethernet 0/1.
B. Change the first line to interface vlan 0/1.
C. Change the fifth line to ip default-gateway 192.168.17.241.
D. Change the fifth line to ip route 0.0.0.0 0.0.0.0 192.168.17.1.
E. Change the sixth line to line con 0.
Correct Answer: C
QUESTION 17
Refer to the exhibit.
All devices attached to the network are shown. How many collision domains are present in this network?
A. 2
B. 3
C. 6 “Pass Any Exam. Any Time.” – www.actualtests.com 66 Cisco 640-822 Exam
D. 9
E. 15
Correct Answer: E
QUESTION 18
Refer to the exhibit.
An administrator replaced the NIC in a desktop PC with a new NIC. The NIC in the PC configuration is set to “100 Mb Half.” Now the PC has intermittent connectivity and loss of communication so the administrator began troubleshooting on the switch. Using the switch output shown, what is the cause of the problem?
A. Input flow control is off.
B. Encapsulation is set to ARPA.
C. The switch is set to full-duplex.
D. The port is administratively down.
E. Fast Ethernet is incompatible with a megabit NIC.
F. The counters were not cleared after the hardware was replaced.
Correct Answer: C QUESTION 19
Which IP address is a private address?
“Pass Any Exam. Any Time.” – www.actualtests.com 67 Cisco 640-822 Exam
A. 12.0.0.1
B. 168.172.19.39
C. 172.20.14.36
D. 172.33.194.30
E. 192.169.42.34 Correct Answer: C
Exam B
QUESTION 1
Which OSI layer header contains the address of a destination host that is on another network?
A. application
B. session
C. transport
D. network
E. data link
F. physical
Correct Answer: D
QUESTION 2
How does TCP differ from UDP? (Choose two.)
A. TCP provides best effort delivery.
B. TCP provides synchronized communication.
C. TCP segments are essentially datagrams.
D. TCP provides sequence numbering of packets.
E. TCP uses broadcast delivery.
Correct Answer: BD
QUESTION 3
Which protocol uses a connection-oriented service to deliver files between end systems?
A. TFTP
B. DNS
C. FTP
D. SNMP
E. RIP
Correct Answer: C
QUESTION 4
Refer to the exhibit.
A network technician is unable to ping from R1 to R2. What will help correct the problem?
A. Ensure that the serial cable is correctly plugged in to the interfaces.
B. Apply the clock rate 56000 configuration command to the serial0/1 interface of R1.
C. Configure the serial0/1 interfaces on R1 and R2 with the no shutdown command.
D. Change the address of the serial0/1 interface of R1 to 192.1.1.4.
E. Change the subnet masks of both interfaces to 255.255.255.240.
Correct Answer: A
QUESTION 5
Refer to the exhibit.
“Pass Any Exam. Any Time.” – www.actualtests.com 3 Cisco 640-822 Exam
Which types of devices and connections are needed to complete the LAN for optimal performance and cost efficiency?
A. A) router
B. hub
C. switch
D. UTP cable
E. fiber connection
F. fiber connection
G. A) switch
H. switch
I. switch
J. UTP cable
K. fiber connection
L. T-1 connection
M. A) router
N. switch
O. router
P. fiber connection
Q. Cat5 cable
R. T-1 connection
S. “Pass Any Exam. Any Time.” – www.actualtests.com 4 Cisco 640-822 Exam
T. router
U. switch
V. switch
W. UTP cable
X. fiber connection
Y. T-1 connection
Z. A) router [. hub \. switch ]. fiber cable ^. cat5 cable _. T-1 connection
Correct Answer: D Exam C
QUESTION 1
After issuing the copy run start command, you make several changes to your lab router and realize that you were referencing a list of bad IP addresses to make these changes. Which command is most efficient to resolve your mistakes?
“Pass Any Exam. Any Time.” – www.actualtests.com 54 Cisco 640-822 Exam
A. erase flash
B. restart
C. renew
D. erase nvram
E. reload
F. erase start
Correct Answer: E
QUESTION 2
You run the command debug ip rip on your router and notice this entry:
08:08:30:
RIP: build update entries
08:08:30:
network 192.168.10.0 metric 16
What is this information telling you?
A. It provides the administrative distance for this route.
B. The route has exceeded its maximum hop count.
C. There are 16 hops to reach this route.
D. It establishes the route update timer parameter
E. The route will be flushed in 16 seconds.
Correct Answer: B
QUESTION 3
In which default order would a router load a Cisco IOS image?
A. Flash, ROM, TFTP
B. RAM, Flash, TFTP
C. Flash, TFTP, ROM
D. NVRAM, TFTP, Flash
E. Flash, NVRAM, TFTP
Correct Answer: C
QUESTION 4
You do not have access to a network server and need to back up a Cisco IOS image. Which utility can you use to achieve this goal?
A. tftp
B. ftp
C. http
D. xmodem
E. rcp
Correct Answer: D QUESTION 5
Which command would you use to view how much space has been consumed in NVRAM?
A. show NVRAM
B. show flash
C. show version
D. show running-config
E. show startup-config
Correct Answer: E
QUESTION 6
The ip helper-address command does what?
A. assigns an IP address to a host
B. resolves an IP address from a DNS server
C. relays a DHCP request across networks
D. resolves an IP address overlapping issue “Pass Any Exam. Any Time.” – www.actualtests.com 56 Cisco 640-822 Exam
Correct Answer: C
QUESTION 7
Which command excludes seven host addresses from a DHCP pool that has a 255.255.255.192 mask?
A. router(config)#ip dhcp excluded-address 192.168.7.0 192.168.7.6
B. router(config)#ip dhcp excluded-address 192.168.7.121 192.168.7.127
C. router(config)#ip dhcp excluded-address 192.168.7.159 192.168.7.165
D. router(config)#ip dhcp excluded-address 192.168.7.193 192.168.7.198
Correct Answer: C
QUESTION 8
What is the last usable address of the network 10.10.64.0 255.255.252.0?
A. 10.10.64.254
B. 10.10.67.254
C. 10.10.66.254
D. 10.10.65.254
Correct Answer: B
QUESTION 9
Which of these is a routed protocol?
A. RIP
B. UDP
C. IP
D. HTTP
E. IGRP “Pass Any Exam. Any Time.” – www.actualtests.com 57 Cisco 640-822 Exam
Correct Answer: C
QUESTION 10
What is the best practice when assigning IP addresses in a small office of six hosts?
A. Use a DHCP server that is located at the headquarters.
B. Use a DHCP server that is located at the branch office.
C. Assign the addresses by using the local CDP protocol.
D. Assign the addresses statically on each node.
Correct Answer: D Exam D QUESTION 1
Refer to the exhibit.
As packets travel from Mary to Robert, which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three.)
A. Hub1
B. Switch1
C. Router1
D. Switch2
E. Router2
F. Switch3
Correct Answer: BDF
QUESTION 2
Refer to the exhibit.
Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?
“Pass Any Exam. Any Time.” – www.actualtests.com 6 Cisco 640-822 Exam
A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
E. Exhibit E
Correct Answer: B
QUESTION 3
Refer to the exhibit.
A network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for this installation?
A. a router with two Ethernet interfaces
B. a switch with two Ethernet interfaces
C. a router with one Ethernet and one serial interface
D. a switch with one Ethernet and one serial interface
E. a router with one Ethernet and one modem interface
Correct Answer: C
QUESTION 4
What technology should be used when a router that connects to a LAN has only one WAN
“Pass Any Exam. Any Time.” – www.actualtests.com 7 Cisco 640-822 Exam interface, but multiple virtual circuits are needed?
A. ATM
B. DSL
C. ADSL
D. Cable
E. Frame Relay
Correct Answer: E
QUESTION 5
The network manager states, “The only UDP port allowed on this router interface is 53.” From the statement, what can be concluded about traffic on the router interface?
A. DNS traffic is allowed.
B. RIP traffic is allowed.
C. SMTP traffic is allowed.
D. Telnet traffic is allowed.
Correct Answer: A
QUESTION 6
SW-C has just been added to the network shown in the graphic.
“Pass Any Exam. Any Time.” – www.actualtests.com 8 Cisco 640-822 Exam What is the purpose of assigning a default gateway to this switch?
A. allows connectivity to Router B from the switch prompt
B. allows console port connectivity to the switch from Host A
C. allows connectivity to remote network devices from Host B
D. allows the switch to pass traffic between Host A and Host B
Correct Answer: A QUESTION 7
Refer to the topology and MAC address table shown in the exhibit.
Host A sends a data frame to host D. What will the switch do when it receives the frame from host A?
A. The switch will add the source address and port to the MAC address table and forward the frame to host D.
B. The switch will discard the frame and send an error message back to host A.
C. The switch will flood the frame out of all ports except for port Fa0/3.
D. The switch will add the destination address of the frame to the MAC address table and forward the frame to host D.
Correct Answer: A
QUESTION 8
“Pass Any Exam. Any Time.” – www.actualtests.com 9 Cisco 640-822 Exam Refer to the exhibits labeled A through E.
All devices are to be connected over Ethernet. Which three device-to-device configurations are likely to require the use of a crossover connection? (Choose three.)
A. exhibit A
B. exhibit B
C. exhibit C
D. exhibit D
E. exhibit E
Correct Answer: ADE QUESTION 9
Refer to the exhibit.
“Pass Any Exam. Any Time.” – www.actualtests.com 10 Cisco 640-822 Exam
A network has been planned as shown. Which three statements accurately describe the areas and devices in the network plan? (Choose three.)
A. Network Device A is a switch.
B. Network Device B is a switch.
C. Network Device A is a hub.
D. Network Device B is a hub.
E. Area 1 contains a Layer 2 device.
F. Area 2 contains a Layer 2 device.
Correct Answer: ADE
QUESTION 10
An Ethernet cable is attached to a PC NIC and then attached to a switch port. The PC power is turned on and the switch port link LED turns green. The link light indicates what two conditions? (Choose two.)
A. Layer 2 communication has been established between the PC and switch.
B. The PC has received a DHCP address.
C. Traffic is being sent from the switch to the PC.
D. If flashing, the green LED indicates port speed of 100 Mb/s.
E. The Layer 1 media is functioning between the PC and switch.
F. The switch port is functioning as a half-duplex connection.
Correct Answer: AE Exam E
QUESTION 1
Which class of IP address will provide sufficient addresses for 66,000 or more hosts?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
Correct Answer: A
QUESTION 2
From which IP address class can 15 bits be borrowed to create subnets?
A. A
B. B
C. C
D. D
E. E
Correct Answer: A
QUESTION 3
Which two statements describe the IP address 10.16.3.65/23? (Choose two.)
“Pass Any Exam. Any Time.” – www.actualtests.com 68 Cisco 640-822 Exam
A. The subnet address is 10.16.3.0 255.255.254.0.
B. The lowest host address in the subnet is 10.16.2.1 255.255.254.0.
C. The last valid host address in the subnet is 10.16.2.254 255.255.254.0
D. The broadcast address of the subnet is 10.16.3.255 255.255.254.0.
E. The network is not subnetted.
Correct Answer: BD
QUESTION 4
Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
A. 192.168.1.8/29
B. 192.168.1.32/27
C. 192.168.1.40/29
D. 192.168.1.16/28
E. 192.168.1.48/29
Correct Answer: C
QUESTION 5
Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.)
A. 10.1.168.0
B. 10.1.176.1
C. 10.1.174.255
D. 10.1.160.255
E. 10.1.160.0
F. 10.1.175.255
Correct Answer: ACD QUESTION 6
Refer to the exhibit.
“Pass Any Exam. Any Time.” – www.actualtests.com 69 Cisco 640-822 Exam
The IP address space of 128.107.7.0/24 has been allocated for all devices on this network. All devices must use the same subnet mask and all subnets are usable. Which subnet mask is required to apply the allocated address space to the configuration that is shown?
A. 255.255.254.0
B. 255.255.255.0
C. 255.255.255.128
D. 255.255.255.192
E. 255.255.255.224
Correct Answer: D
QUESTION 7
Refer to the exhibit.
Why did the telnet attempt to www.cisco.co from RouterA fail?
A. A route to www.cisco.co in the RouterA routing table is missing from the routing table. “Pass Any Exam. Any Time.” – www.actualtests.com 70 Cisco 640-822 Exam
B. The name www.cisco.co was not spelled out correctly.
C. A DNS name-server is not configured on RouterA.
D. The telnet command is not enabled on RouterA.
Correct Answer: C
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