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CCNA Practice Test - 37

Description: CCNA Practice Test - 37
Number of Questions: 18
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Tags: CCNA Practice Test - 37 CCNA
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Refer to the exhibit. How does this access list process a packet with the source address 10.1.1.1 and a destination of 192.168.10.13?

  1. It is allowed because of the implicit deny any.

  2. It is dropped because it does not match any of the items in the ACL.

  3. It is allowed because line 10 of the ACL allows packets to 192.168.0.0/16.

  4. It is allowed because line 20 of the ACL allows packets to the host 192.168.10.13.

Show answer
Correct Option: B

Which of the following protocols would a technician use to reveal a MAC address if the IP address is known?

  1. RARP

  2. ARP

  3. ICMP

  4. Boot P

Show answer
Correct Option: B
Explanation:

ARP is used to find a MAC address. Because the routers build new MAC headers and trailers, and because the new headers contain MAC addresses, the routers must have some way to decide what MAC addresses to use. An example of how the router determines which MAC address to use is the IP Address Resolution Protocol (ARP) protocol. ARP is used to dynamically learn the MAC address of some IP host.

A technician has been told by a supervisor to always clear any dynamic translations before attempting to troubleshoot a failed NAT connection. Why has the supervisor issued these instructions?

  1. The supervisor wants to clear any confidential information that may be seen by the technician.

  2. Because entries can be cached for long periods of time, the supervisor wants to prevent decisions being made based on old data.

  3. The translation table may be full and is unable to make new translations until space is available.

  4. Clearing the translations causes the starting configuration to be reread and may correct translation problems that have occurred.

Show answer
Correct Option: B

Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which of the following statements accurately reflects the operation of this link?

  1. No collisions will occur on this link.

  2. Only one of the devices can transmit at a time.

  3. The switch will have priority for transmitting data.

  4. The devices will default back to half duplex if excessive collisions occur.

Show answer
Correct Option: A

Which of the following would be the correct command sequence to enable RIP on Router B for all connected networks?

  1. RouterB# router rip

  2. RouterB(router)# network 210.36.7.0

  3. RouterB(config)# router rip

  4. RouterB(config-router)# network 198.16.4.0

  5. RouterB(config-router)# network 210.36.7.0

Show answer
Correct Option: B

Refer to the exhibit. Which of the following two statements are true about the operation of the interfaces?

  1. Incoming traffic with VLAN ID 0 is processed by interface fa0/0.

  2. Incoming traffic that has a VLAN ID of 2 is processed by subinterface fa0/0.2.

  3. Both subinterfaces remain up with line protocol up, even if fa0/0 line protocol is down.

  4. Subinterfaces use unique MAC addresses by adding the 802.1Q VLAN ID to the hardware address.

  5. Traffic inbound on this router is processed by different subinterfaces, depending on the VLAN from which the traffic originated.

Show answer
Correct Option: B

Which element of a router stores the current active configuration and the routing tables?

  1. RAM

  2. ROM

  3. NVRAM

  4. Flash

Show answer
Correct Option: A
Explanation:

The current running configuration and the routing tables are loaded into RAM.

What function do Network Control Protocols provide for a PPP connection?

  1. To supply error detection

  2. To establish and terminate data links

  3. To provide authentication capabilities to PPP

  4. To manage network congestion and to allow quality testing of the link

  5. To allow multiple Layer 3 protocols to operate over the same physical link

Show answer
Correct Option: D

Which additional functionality is available on an interface when the encapsulation is changed from HDLC to PPP?

  1. Flow control

  2. Error control

  3. Authentication

  4. Synchronous communication

Show answer
Correct Option: C

Refer to the exhibit. What command will place into the correct mode to configure an appropriate interface to connect to a LAN?

  1. UBAMA# configure terminal

  2. UBAMA(config)# line vty 0 4

  3. UBAMA(config)# line console 0

  4. UBAMA(config)# interface Serial 0/0/0

  5. UBAMA(config)# interface FastEthernet 0/1

Show answer
Correct Option: E

Refer to the exhibit. How will packets destined to the 172.16.0.0 network be forwarded?

  1. Router1 will perform recursive lookup and packet will exit S0/0.

  2. Router1 will perform recursive lookup and packet will exit S0/1.

  3. There is no matching interface associated with network 172.16.0.0, so packets will be dropped.

  4. There is no matching interface associated with network 172.16.0.0, so packets will take gateway of last resort and exit out S0/2.

Show answer
Correct Option: A

Which DoD layer defines protocols such as BGP, IP and ICMP?

  1. Host-to-Host

  2. Internet

  3. Process/Application

  4. Network Access

Show answer
Correct Option: B

Refer to the exhibit. You are a network administrator who has been tasked with completing the Frame Relay topology that interconnects two remote sites. Router HQ belongs to both the 172.16.1.0/24 and 172.16.2.0/24 subnets with IP addresses of 172.16.1.3 and 172.16.2.3 respectively. Traffic between R1 and R2 must travel through HQ first. How should the serial interface on HQ be configured to complete the topology?

  1. One multipoint subinterface

  2. Two point-to-point subinterfaces

  3. With the physical interface configured with two ip addresses

  4. One IP address on a point-to-point subinterface and one IP address on the physical interface

Show answer
Correct Option: B

Refer to the exhibit. All routers are configured with valid interface addresses in the indicated networks and are running RIPv1. The network is converged. Which routes are present in the routing tables?

  1. All routers have all routes in their routing table.

  2. All routers have all /30 routes, but do not have /24 routes in their routing table.

  3. All routers have all /30 routes. Routers A and E also have some of the /24 routes in their routing table.

  4. All routers have all /30 routes. Routers B and D also have some of the /24 routes in their routing table.

  5. Routers A and E have all routes. Routers B and D have only /30 routes in their routing table.

Show answer
Correct Option: B

Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this?

  1. The IP address of host A is incorrect.

  2. The default gateway of host A is incorrect.

  3. The Fa0/1 interfaces of the two routers are configured for different subnets.

  4. The subnet mask for the Fa0/0 interface of R1 is incorrect.

Show answer
Correct Option: C

Which of the following commands specifies Cisco IOS software should send CDP updates every 150 seconds?

  1. show all hosts

  2. show host names

  3. show hostname

  4. show hosts

Show answer
Correct Option: B

An administrator issues the command confreg 0×2142 at the rommon 1> prompt. What is the effect when this router is rebooted?

  1. Contents in RAM will be erased.

  2. Contents in RAM will be ignored.

  3. Contents in NVRAM will be erased.

  4. Contents in NVRAM will be ignored.

Show answer
Correct Option: D
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