IP题库(2)

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E. If RIPv2 is the routing protocol, the path will be from R1 to R5. Answer: AE

19. Refer to the exhibit. A network administrator is adding two new hosts to SwitchA. Which three values

could be used for the configuration of these hosts? (Choose three.) .

A. host A IP address: 192.168.1.79 B. host A IP address: 192.168.1.64

C. host A default gateway: 192.168.1.78 D. host B IP address: 192.168.1.128

E. host B default gateway: 192.168.1.129 F. host B IP address: 192.168.1.190 Answer: ACF

20. A network administrator changes the configuration register to 0x2142 and reboots the router. What are

two results of making this change? (Choose two.) A. The IOS image will be ignored.

B. The router will prompt to enter initial configuration mode. C. The router will boot to ROM.

D. Any configuration entries in NVRAM will be ignored. E. The configuration in flash memory will be booted. Answer: BD

21. Refer to the exhibit. The networks connected to router R2 have been summarized as a

192.168.176.0/21 route and sent to R1. Which two packet destination addresses will R1 forward to R2?

(Choose two.)

A. 192.168.194.160 B. 192.168.183.41 C. 192.168.159.2 .

D. 192.168.183.255 E. 192.168.179.4 F. 192.168.184.45 Answer: BE

22. Which three statements are typical characteristics of VLAN arrangements? (Choose three.) A. A new switch has no VLANs configured.

B. Connectivity between VLANs requires a Layer 3 device. C. VLANs typically decrease the number of collision domains. D. Each VLAN uses a separate address space.

E. A switch maintains a separate bridging table for each VLAN.

F. VLANs cannot span multiple switches. Answer: BDE

23. Refer to the exhibit. Which three statements are true about how router JAX will choose a path to the

10.1.3.0/24 network when different routing protocols are configured? (Choose three.)

A. By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table.

B. The equal cost paths JAX-CHI-ORL and JAX- NY-ORL will be installed in the routing table if RIPv2 is

the routing protocol. .

C. When EIGRP is the routing protocol, only the path JAX-ORL will be installed in the routing table by

default.

D. When EIGRP is the routing protocol, the equal cost paths JAX-CHI-ORL, and JAX-NY-ORL will be installed in the routing table by default.

E. With EIGRP and OSPF both running on the network with their default configurations, the EIGRP paths

will be installed in the routing table.

F. The OSPF paths will be installed in the routing table, if EIGRP and OSPF are both running on the network with their default configurations. Answer: ADE

24. Refer to the exhibit. Which three statements correctly describe Network Device A? (Choose three.)

A. With a network wide mask of 255.255.255.128, each interface does not require an IP address. B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.

D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

E. With a network wide mask of 255.255.254.0, each interface does not require an IP address. Answer: BDE

25. Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard? (Choose two.) .

A. alternate B. backup C. designated D. disabled E. root Answer: CE

26. Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely

reason that interfaceFastEthernet 0/10 is not the root port for VLAN 2?

A. This switch has more than one interface connected to the root network segment in VLAN 2. B. This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

C. This switch interface has a higher path cost to the root bridge than another in the topology. D. This switch has a lower bridge ID for VLAN 2 than the elected designated switch. Answer: C

27. Refer to the exhibit. The network administrator must establish a route by which London workstations

can forward traffic to the Manchester workstations. What is the simplest way to accomplish this? .

A. Configure a dynamic routing protocol on London to advertise all routes to Manchester.

B. Configure a dynamic routing protocol on London to advertise summarized routes to Manchester.

C. Configure a dynamic routing protocol on Manchester to advertise a default route to the London router.

D. Configure a static default route on London with a next hop of 10.1.1.1.

E. Configure a static route on London to direct all traffic destined for 172.16.0.0/22 to 10.1.1.2. F. Configure Manchester to advertise a static default route to London. Answer: E

28. Refer to the exhibit. This command is executed on 2960Switch:

2960Switch(config)# mac-address-table static 0000.00aa.aaaa vlan 10 interface fa0/1

Which two of these statements correctly identify results of executing the command? (Choose two.) .

A. Port security is implemented on the fa0/1 interface.

B. MAC address 0000.00aa.aaaa does not need to be learned by this switch. C. Only MAC address 0000.00aa.aaaa can source frames on the fa0/1 segment.

D. Frames with a Layer 2 source address of 0000.00aa.aaaa will be forwarded out fa0/1.

E. MAC address 0000.00aa.aaaa will be listed in the MAC address table for interface fa0/1 only. Answer: BE

29. Which of the following describes the roles of devices in a WAN? (Choose three.)

A. A CSU/DSU terminates a digital local loop. B. A modem terminates a digital local loop. C. A CSU/DSU terminates an analog local loop. D. A modem terminates an analog local loop. E. A router is commonly considered a DTE device. F. A router is commonly considered a DCE device. Answer: ADE

30. What are two characteristics of Telnet? (Choose two.) A. It sends data in clear text format.

B. It is no longer supported on Cisco network devices. C. It is more secure than SSH.

D. It requires an enterprise license in order to be implemented.

E. It requires that the destination device be configured to support Telnet connections. Answer: AE

31. What are two security appliances that can be installed in a network? (Choose two.) A. ATM B. IDS C. IOS D. IOX E. IPS .

32. A single 802.11g access point has been configured and installed in the center of a square office. A few

wireless users are experiencing slow performance and drops while most users are operating at peak

efficiency. What are three likely causes of this problem? (Choose three.) A. mismatched TKIP encryption B. null SSID

C. cordless phones D. mismatched SSID E. metal file cabinets

F. antenna type or direction Answer: CEF

33. A host is attempting to send data to another host on a different network. What is the first action that the

sending host will take? A. Drop the data.

B. Send the data frames to the default gateway.

C. Create an ARP request to get a MAC address for the receiving host.

D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.

Answer: C

34. Refer to the exhibit. What two facts can be determined from the WLAN diagram? (Choose two.) .

A. The area of overlap of the two cells represents a basic service set (BSS). B. The network diagram represents an extended service set (ESS). C. Access points in each cell must be configured to use channel 1.

D. The area of overlap must be less than 10% of the area to ensure connectivity. E. The two APs should be configured to operate on different channels. Answer: BE

35. Which two devices can interfere with the operation of a wireless network because they operate on

similar frequencies? (Choose two.) A. copier

B. microwave oven C. toaster

D. cordless phone E. IP phone F. AM radio Answer: BD

36. Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.) A. Global addresses start with 2000::/3. .

B. Link-local addresses start with FE00:/12. C. Link-local addresses start with FF00::/10.

D. There is only one loopback address and it is ::1.

E. If a global address is assigned to an interface, then that is the only allowable address for the interface. Answer: AD

37. Refer to the exhibit. Which statement is true?

A. The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20. B. VLAN 20 is running the Per VLAN Spanning Tree Protocol. C. The MAC address of the root bridge is 0017.596d.1580.

D. SwitchA is not the root bridge, because not all of the interface roles are designated. Answer: D

38. Which two of these statements are true of IPv6 address representation? (Choose two.) A. There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast. B. A single interface may be assigned multiple IPv6 addresses of any type. C. Every IPv6 interface contains at least one loopback address. D. The first 64 bits represent the dynamically created interface ID.

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