QUESTION 11 In data encapsulation, which of the following is the correct order of protocol data units?
A. Data, Frame, Packet, Segment, Bit
B. Data, Frame, Segment, Packet, Bit
C. Data, Packet, Frame, Segment, Bit
D. Data, Packet, Segment, Frame, Bit
E. Data, Segment, Frame, Packet, Bit
F. Data, Segment, Packet, Frame, Bit Answer: F Explanation: Data Encapsulation Step 1 Create the application data and headers . Data Step 2 Package the data for transport . Segment Step 3 Add the destination and source network layer addresses to the data . Packet Step 4 Add the destination and source data link layer addresses to the data . Frame Step 5 Transmit the bits
. Bit Reference: CCNA Self-Study CCNA INTRO exam certification Guide (Cisco Press, ISBN 1-58720-094-5) Page 29
QUESTION 12 You are the network administrator at Cisco Highway. Cisco Highway uses the network address 210.10.2.0. You want to subnet this network with a /28 mask. How many usable subnetworks and host addresses per subnet will this subnet mask provide?
A. 30 networks and 6 hosts.
B. 6 networks and 30 hosts.
C. 8 networks and 32 hosts.
D. 32 networks and 18 hosts.
E. 14 networks and 14 hosts. Answer: E A 28 bit subnet mask (11111111.11111111.11111111.11110000) applied to a class C network uses a 4 bits for networks, and leaves 4 bits for hosts. Using the 2n-2 formula, we have 24-2 (or 2x2x2x2-2) which gives us 14.
QUESTION 13 You are a technician at Cisco Highway. Your newly appointed Cisco Highway trainee wants to know what characterizes a typical VLAN setup. What should you tell the trainee?
A. VLANs logically divide a switch into multiple, independent switches at Layer 2.
B. A single VLAN can include multiple switches.
C. VLANs typically decrease the number of broadcast domains.
D. VLAN implementation significantly increases traffic on a network.
E. VLANs extend the collision domain by spanning multiple switches. Answer: A Explanation: A virtual LAN (VLAN) is a broadcast domain created by one or more switches. The switch creates a VLAN simply by putting some interfaces in one VLAN and some in another. So, instead of all ports on a switch forming a single broadcast domain, the switch separates them into many, based on configuration. Reference: CCNA Self-Study CCNA INTRO exam certification Guide (Cisco Press, ISBN 1-58720-094-5) Page 263
QUESTION 14 You are the network administrator at Cisco Highway. The Cisco Highway network includes an ISDN link. Your newly appointed Cisco Highway trainee wants to know what the bandwidth of a single ISDN BRI B channel is. What would your reply be?
A. 16kb/s
B. 56kb/s
C. 64kb/s
D. 128kb/s
E. 192kb/s Answer: B Explanation: B channels transport data. They operate at speeds of up to 64 kbps, although the speed might be lower, depending on the service provider, or might be based on standards in some parts of the world.
Reference: CCNA Self-Study CCNA INTRO exam certification Guide (Cisco Press, ISBN 1-58720-094-5) Page 449
QUESTION 15 You are a network administrator at Cisco Highway. You are busy troubleshooting a WAN connection. You issue the debug ppp authentication command on the router. The output from this command is shown in the following exhibit: #debug ppp authentication PPP Serial1: Send CHAP challenge id=34 t remote PPP Serial1: CHAP challenge from P1R2 PPP Serial1: CHAP response received form P1R2 PPP Serial1: CHAP response id=34 received from P1R2 PPP Serial1: Send CHAP success id=34 to remote PPP Serial1: Remote passed CHAP authentication PPP Serial1: Passed CHAP authentication PPP Serial1: Passed CHAP authentication with remote What type of type of handshake occurred for PPP authentication?
A. one-way
B. two-way
C. three-way
D. No handshakes required during authentication Answer: C Explanation: CHAP uses a one-way hash algorithm, with input to the algorithm being a password and a shared random number. The CHAP challenge states the random number; both routers are preconfigured with the password. The challenged router runs the hash algorithm using the just-learned random number and the secret password and sends the results back to the router that sent the challenge. The router that sent the challenge runs the same algorithm using the random number (sent across the link) and the password (not sent across the link). If the results match, the passwords must match. Reference: CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X) Page 314
QUESTION 16 You work as network administrator at Cisco Highway. Your non-Cisco certified assistant has been working on Router CK1. He incorrectly configured the router interface with a subnet broadcast address. You want to remove the incorrect IP address and replace it with the first usable IP address for the same subnet. Which set of commands will you issue?
A. CK1(config-if)# clear ip address 190.160.45.31 255.255.255.240 CK1(config-if)# ip address 190.160.45.17 255.255.255.240
B. CK1(config-if)# no ip address 190.160.45.23 255.255.255.252 CK1(config-if)# ip address 190.160.4.21 255.255.255.252
C. CK1(config-if)# no ip address 190.160.45.23 255.255.255.240 CK1(config-if)# ip address 190.160.45.20 255.255.255.240
D. CK1(config-if)# clear ip address 190.160.45.23 255.255.255.0 CK1(config-if)# no address 190.160.45.17 255.255.255.0
E. CK1(config-if)# no ip address 190.160.45.15 255.255.255.252 CK1(config-if)# ip address 190.160.45.9 255.255.255.252
Answer: A Explanation: To set a primary or secondary IP address for an interface, use the ip address interface configuration command. To remove an IP address or disable IP processing, use the no form of this command. Current Host Range = 190. 160. 45. 17 to 190. 160. 45. 30
QUESTION 17 Your Cisco Highway trainee Jack wants to know what three TCP/IP Application layer protocols are. What would you tell her? (Choose all that apply.)
A. ARP
B. HTTPS
C. SMTP
D. CDP
E. TFTP
F. ICMP Answer: B, C, E Reference: CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X) Page 35
QUESTION 18 Three Cisco Highway stores have decided to establish network connectivity. The stores have contracted a local non Cisco certified technician. Not surprisingly, he failed to complete the job. No network connectivity has been established between the routers. The routers are named Cisco Highway1, Cisco Highway2, and Cisco Highway3. Cisco Highway has decided to use more professional assistance and has hired you to fix the problems. Your task is to identify the fault(s), and make the necessary change(s) to establish connectivity. The routers have been configured with the following specifications: . The routers are named Cisco Highway1, Cisco Highway2, and Cisco Highway3. . RIP is the routing protocol. . Clocking signal is provided on the serial 0 interfaces. . The password on each router is "Cisco Highway". . The subnet mask on all interfaces is the default mask. The IP addresses are listed in the chart below. Cisco Highway1 E0 192.168.127.1 S0 192.168.131.1. Cisco Highway2 E0 192.168.135.1 S0 192.168.133.1 S1 192.168.131.1 Cisco Highway3 E0 192.168.137.1 S1 192.168.133.2
To configure the router click on the host icon that is connected to a router by a serial console cable. Answer: Click on Host 2: Router Cisco Highway1: Cisco Highway1> enable Password: Cisco Highway Cisco Highway1 # config terminal Cisco Highway1 (config) # interface ethernet 0 Cisco Highway1 (config-if) # ip address 192.168.27.1 255.255.255.0 Cisco Highway1 (config-if) # no shutdown Cisco Highway1 (config-if) # exit Cisco Highway1 (config) # interface serial 0 Cisco Highway1 (config-if) # ip address 192.168.31.1 255.255.255.0 Cisco Highway3 (config-if) # clock rate 64000 Cisco Highway1 (config-if) # no shutdown Cisco Highway1 (config-if) # exit Cisco Highway1 (config) # router rip Cisco Highway1 (config-router) # network 192.168.27.0 Cisco Highway1 (config-router) # network 192.168-31.0 Cisco Highway1 (config-router) # Ctrl-Z Cisco Highway1 # copy running-config startup-config Click on Host 4 Router Cisco Highway2: Cisco Highway2> enable Password: Cisco Highway Cisco Highway2 # config t Cisco Highway2 (config) # interface ethernet 0 Cisco Highway2 (config-if) # ip address 192.168.135.1 255.255.255.0 Cisco Highway2 (config-if) # no shutdown Cisco Highway2 (config-if) # exit Cisco Highway2 (config) # interface serial 0 Cisco Highway2 (config-if) # ip address 192.168.133.1 255.255.255.0 Cisco Highway2 (config-if) # clock rate 64000 Cisco Highway2 (config-if) # no shutdown Cisco Highway2 (config-if) # exit Cisco Highway2 (config) # interface serial 1 Cisco Highway2 (config-if) # ip address 192.168.131.2 255.255.255.0 Cisco Highway2 (config-if) # no shutdown Cisco Highway2 (config-if) # exit Cisco Highway2 (config) # router rip Cisco Highway2 (config-router) # network 192.168.135.0 Cisco Highway2 (config-router) # network 192.168.133.0 Cisco Highway2 (config-router) # network 192.168.131.0 Cisco Highway2 (config-router) # Ctrl-Z Cisco Highway2 # copy running-config startup-config Router Cisco Highway3: Click on Host6 Cisco Highway3> enable Password: Cisco Highway Cisco Highway3 # config t Cisco Highway3 (config) # interface ethernet 0 Cisco Highway3 (config-if) # ip address 192.168.137.1 255.255.255.0 Cisco Highway3 (config-if) # no shutdown Cisco Highway3 (config-if) # exit Cisco Highway3 (config) # interface serial 1 Cisco Highway3 (config-if) # ip address 192.168.133.2 255.255.255.0 Cisco Highway3 (config-if) # no shutdown Cisco Highway3 (config-if) # exit Cisco Highway3 (config) # router rip Cisco Highway3 (config-router) # network 192.168.133.0 Cisco Highway3 (config-router) # network 192.168.137.0 Cisco Highway3 (config-router) # Ctrl-Z Cisco Highway3 # copy running-config startup-config Reference: CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X)
QUESTION 19 You are a network technician at Cisco Highway. The Cisco Highway network consists of two VLANS. The network is shown in the following exhibit: Ports 1 through 4 on each switch are assigned to VLAN1 and ports 5 through 8 on each switch are assigned to VLAN2. An ISL trunk link connects the two switches. You want to test proper VLAN and trunk operation. Which of the following actions should you take? (Choose all that apply.)
A. Host 2-1 can ping Host 2-2
B. Host 2-1 can ping Host 7-2
C. Host 2-1 can not ping Host 2-2
D. Host 7-1 can not ping Host 2-2
E. Host 7-1 can ping Host 7-2 Answer: A, D, E. Explanation:
A: Host 2-1 and Host 2-2 are both in VLAN1 and a ping should be successful.
D: Host 7-1 is in VLAN3 while Host 2-2 is in VLAN1. A ping between those hosts should fail.
E: Host 7-1 and Host 7-2 are both in VLAN1 and a ping should be successful. Incorrect Answers
B: Host 2-1 and Host 7-2 are in different VLANs and a ping should fail.
C: Host 2-1 and Host 2-2 are both in VLAN1 and a ping should be successful. Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 184 - 198 and 124.
QUESTION 20 You are a technician at Cisco Highway. Your newly appointed Cisco Highway trainee wants to know what the valid options for Frame LMI types are. What would your reply be? (Choose all that apply.)
A. EIA/TIA
B. Q.932
C. q933a
D. IEEE
E. Cisco
F. ansi Answer: C E F Explanation: . Name Document IOS LMI-Type Parameter . Cisco Proprietary cisco . ANSI T1.617 Annex D ansi . ITU Q.933. Annex A q.933a Reference: CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X) Page 382
