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QUESTION 109
If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.)
A. ip default-gateway 0.0.0.0
B. ip route 172.16.2.1 0.0.0.0 0.0.0.0
C. ip default-network 0.0.0.0
D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
E. ip route 0.0.0.0 0.0.0.0 172.16.2.1
Answer: CE
Section: Chapter 6: IP Routing
Explanation/Reference:
QUESTION 110
Which command would you configure globally on a Cisco router that would allow you to view directly connected
Cisco devices?
A. enable cdp B. cdp enable C. cdp run
D. run cdp
Answer: C
Section: Chapter 5: Managing Cisco IOS
Explanation/Reference:
QUESTION 111
Which command is used to see the path taken by packets across an IP network?
A. show ip route
B. show route
C. traceroute
D. trace ip route
Answer: C
Section: Chapter 2: TCP/IP
Explanation/Reference:
QUESTION 112
Which command is used to debug a ping command?
A. debug icmp
B. debug ip icmp
C. debug tcp
D. debug packet
Answer: B
Section: Chapter 5: Managing Cisco IOS
Explanation/Reference:
QUESTION 113
Which command displays CPU utilization?
A. show protocols
B. show process C. show system D. show version
Answer: B
Section: Chapter 5: Managing Cisco IOS
Explanation/Reference:
QUESTION 114
When configuring a serial interface on a router, what is the default encapsulation?
A. atm-dxi
B. frame-relay
C. hdlc D. lapb E. ppp
Answer: C
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 115
What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?
A. bandwidth
B. delay
C. load
D. reliability
Answer: A
Section: Chapter 6: IP Routing
Explanation/Reference:
QUESTION 116
A company implements video conferencing over IP on their Ethernet LAN. The users notice that the network slows down, and the video either stutters or fails completely. What is the most likely reason for this?
A. minimum cell rate (MCR) B. quality of service (QoS) C. modulation
D. packet switching exchange (PSE) E. reliable transport protocol (RTP)
Answer: B
Section: Chapter 9: Switching
Explanation/Reference:
QUESTION 117
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?
A. transport
B. network
C. presentation
D. session
E. application
Answer: E
Section: Chapter 1: Introduction
Explanation/Reference:
QUESTION 118
Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin?
A. presentation
B. session
C. transport D. network E. physical
Answer: D
Section: Chapter 1: Introduction
Explanation/Reference:
QUESTION 119
Which protocols are found in the network layer of the OSI reference model and are responsible for path determination and traffic switching?
A. LAN
B. routing
C. WAN
D. network
Answer: B
Section: Chapter 1: Introduction
Explanation/Reference:
QUESTION 120
Which command reveals the last method used to powercycle a router?
A. show reload
B. show boot
C. show running-config
D. show version
Answer: D
Section: Chapter 5: Managing Cisco IOS
Explanation/Reference:
QUESTION 121
Which three options are valid WAN connectivity methods? (Choose three.)
A. PPP B. WAP C. HDLC D. MPLS
E. L2TPv3
F. ATM
Answer: ACF
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 122
Refer to the exhibit. Which WAN protocol is being used?
A. ATM B. HDLC
C. Frame Relay
D. PPP
Answer: C
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 123
What is the difference between a CSU/DSU and a modem?
A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
Answer: D
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 124
A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?
A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac- address command.
B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac- address command.
C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them.
D. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.
Answer: C
Section: Chapter 9: Switching
Explanation/Reference:
QUESTION 125
When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?
A. Set the encapsulation of the interface to HDLC. B. Place the CSU/DSU in local-loop mode.
C. Enable local-loop mode on the DCE Frame Relay router. D. Verify that the encapsulation is set to Frame Relay.
Answer: A
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 126
What occurs on a Frame Relay network when the CIR is exceeded?
A. All TCP traffic is marked discard eligible.
B. All UDP traffic is marked discard eligible and a BECN is sent. C. All TCP traffic is marked discard eligible and a BECN is sent. D. All traffic exceeding the CIR is marked discard eligible.
Answer: D
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 127
What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)
A. They create split-horizon issues.
B. They require a unique subnet within a routing domain.
C. They emulate leased lines.
D. They are ideal for full-mesh topologies.
E. They require the use of NBMA options when using OSPF.
Answer: BC
Section: Chapter 14: Wide Area Network (WAN)
Explanation/Reference:
QUESTION 128
Refer to the exhibit. Addresses within the range 10.10.10.0/24 are not being translated to the 1.128.0/16 range. Which command shows if 10.10.10.0/24 are allowed inside addresses?
A. debug ip nat
B. show access-list
C. show ip nat translation
D. show ip nat statistics
Answer: B
Section: Chapter 8: NAT
Explanation/Reference:
QUESTION 129
A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?
A. The incorrect channel is configured on the client. B. The client's IP address is on the wrong subnet. C. The client has an incorrect pre-shared key.
D. The SSID is configured incorrectly on the client.
Answer: D
Section: Chapter 11: Wireless
Explanation/Reference:
QUESTION 130
Which two features did WPAv1 add to address the inherent weaknesses found in WEP? (Choose two.)
A. a stronger encryption algorithm B. key mixing using temporal keys C. shared key authentication
D. a shorter initialization vector
E. per frame sequence counters
Answer: BE
Section: Chapter 11: Wireless
Explanation/Reference:
QUESTION 131
Which two wireless encryption methods are based on the RC4 encryption algorithm? (Choose two.)
A. WEP B. CCKM C. AES
D. TKIP E. CCMP
Answer: AD
Section: Chapter 11: Wireless
Explanation/Reference:
QUESTION 132
What are two characteristics of RIPv2? (Choose two.)
A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path
Answer: BD
Section: Chapter 6: IP Routing
Explanation/Reference:
QUESTION 133
Which two Ethernet fiber-optic modes support distances of greater than 550 meters?
A. 1000BASE-CX B. 100BASE-FX C. 1000BASE-LX D. 1000BASE-SX
E. 1000BASE-ZX
Answer: CE
Section: Chapter 1: Introduction
Explanation/Reference:
QUESTION 134
What two things will a router do when running a distance vector routing protocol? (Choose two.)
A. Send periodic updates regardless of topology changes.
B. Send entire routing table to all routers in the routing domain. C. Use the shortest-path algorithm to the determine best path.
D. Update the routing table based on updates from their neighbors. E. Maintain the topology of the entire network in its database.
Answer: AD
Section: Chapter 6: IP Routing
Explanation/Reference:
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