Cisco - CCNA 2 - Chapter 2 version 6.0 Exam Answers

1. What is the function of the kernel of an operating software?

   • It provides a user interface that allows users to request a specific task.
   • The kernel links the hardware drivers with the underlying electronics of a computer.
   • It is an application that allows the initial configuration of a Cisco device.
   • The kernel provisions hardware resources to meet software requirements.

2. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

   • Telnet
   • Console
   • AUX
   • SSH

3. Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?

   • Use Telnet to remotely access the switch through the network.
   • Use the console port to locally access the switch from a serial or USB interface of the PC.
   • Use Secure Shell to remotely access the switch through the network.
   • Use the AUX port to locally access the switch from a serial or USB interface of the PC.

4. Which command or key combination allows a user to return to the previous level in the command hierarchy?

   • exit
   • Ctrl-Z
   • end
   • Ctrl-C

5. A router has a valid operating system and a configuration file stored in NVRAM. The configuration file contains an enable secret password but no console password. When the router boots up, which mode will display?

   • global configuration mode
   • setup mode
   • privileged EXEC mode
   • user EXEC mode

6. Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

   • providing an error message when a wrong command is submitted
   • displaying a list of all available commands within the current mode
   • allowing the user to complete the remainder of an abbreviated command with the TAB key
   • determining which option, keyword, or argument is available for the entered command
   • selecting the best command to accomplish a task

7. Which information does the show startup-config command display?

   • the bootstrap program in the ROM
   • the IOS image copied into RAM
   • the contents of the current running configuration file in the RAM
   • the contents of the saved configuration file in the NVRAM

8. Why is it important to configure a hostname on a device?

   • a Cisco router or switch only begins to operate when its hostname is set
   • a hostname must be configured before any other parameters
   • to identify the device during remote access (SSH or telnet)
   • to allow local access to the device through the console port

9. Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

   • Branch2!
   • RM-3-Switch-2A4
   • Floor(15)
   • HO Floor 17
   • SwBranch799

10. How does the service password-encryption command enhance password security on Cisco routers and switches?across the network.

    • It encrypts passwords that are stored in router or switch configuration files.
    • It requires that a user type encrypted passwords to gain console access to a router or switch.
    • It encrypts passwords as they are sent
    • It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet.

11. Refer to the exhibit. A network administrator is configuring the MOTD on switch SW1. What is the purpose of this command?

    
    
    • to display a message when a user accesses the switch
    • to configure switch SW1 so that only the users in the Admin group can telnet into SW1
    • to force users of the Admin group to enter a password for authentication
    • to configure switch SW1 so that the message will display when a user enters the enable command

12. While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

    • Issue the reload command without saving the running configuration.
    • Delete the vlan.dat file and reboot the device.
    • Close and reopen the terminal emulation software.
    • Issue the copy startup-config running-config command.

13. Which statement is true about the running configuration file in a Cisco IOS device?

    • It affects the operation of the device immediately when modified.
    • It is stored in NVRAM.
    • It should be deleted using the erase running-config command.
    • It is automatically saved when the router reboots.

14. What are two characteristics of RAM on a Cisco device? (Choose two.)

    • RAM provides nonvolatile storage.
    • The configuration that is actively running on the device is stored in RAM.
    • The contents of RAM are lost during a power cycle. 
    • RAM is a component in Cisco switches but not in Cisco routers.
    • RAM is able to store multiple versions of IOS and configuration files.

15. Which interface allows remote management of a Layer 2 switch?

    • the AUX interface
    • the console port interface
    • the switch virtual interface
    • the first Ethernet port interface

16. Which interface is the default SVI on a Cisco switch?

    • FastEthernet 0/1
    • GigabitEthernet 0/1
    • VLAN 1
    • VLAN 99

17. Why would a Layer 2 switch need an IP address?

    • to enable the switch to send broadcast frames to attached PCs
    • to enable the switch to function as a default gateway
    • to enable the switch to be managed remotely
    • to enable the switch to receive frames from attached PCs

18. What command can be used on a Windows PC to see the IP configuration of that computer?

    • ping
    • ipconfig
    • show interfaces
    • show ip interface brief

19. A technician is adding a new PC to a LAN. After unpacking the components and making all the connections, the technician starts the PC. After the OS loads, the technician opens a browser, and verifies that the PC can reach the Internet. Why was the PC able to connect to the network with no additional configuration?

    • The PC does not require any additional information to function on the network.
    • The PC came preconfigured with IP addressing information from the factory.
    • The PC was preconfigured to use DHCP.
    • The PC used DNS to automatically receive IP addressing information from a server.
    • The PC virtual interface is compatible with any network.

20. What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?

    • if the TCP/IP stack is functioning on the PC without putting traffic on the wire
    • if there is connectivity with the destination device
    • the path that traffic will take to reach the destination
    • what type of device is at the destination

21. Refer to the exhibit. A network technician is testing connectivity in a new network. Based on the test results shown in the exhibit, which device does the technician have connectivity with and which device does the technician not have connectivity with? (Choose two.)

    
    
    • connectivity: switch 2
    • connectivity: PC-D
    • connectivity: PC-B
    • no connectivity: switch 1
    • no connectivity: switch 2
    • no connectivity: PC-C

22. Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)

    
    
    • Two physical interfaces have been configured.
    • The switch can be remotely managed.
    • One device is attached to a physical interface.
    • Passwords have been configured on the switch.
    • Two devices are attached to the switch.
    • The default SVI has been configured.

23. An administrator is configuring a switch console port with a password. In what order will the administrator travel through the IOS modes of operation in order to reach the mode in which the configuration commands will be entered? (Not all options are used.)

    • Question
      
      
    • Answer
      
      

24. Match the definitions to their respective CLI hot keys and shortcuts. (Not all options are used.)

    • Question
      
      
    • Answer
      
      

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Cisco - CCNA 2 - Chapter 1 version 6.0 Exam Answers

1. A company is contemplating whether to use a client/server or a peer-to-peer network. What are three characteristics of a peer-to-peer network? (Choose three.)

   • better security
   • easy to create
   • better device performance when acting as both client and server
   • lacks centralized administration
   • less cost to implement
   • scalable

2. Which device performs the function of determining the path that messages should take through internetworks?

   • a router
   • a firewall
   • a web server
   • a DSL modem

3. What two criteria are used to help select a network medium from various network media? (Choose two.)prioritized

   • the cost of the end devices utilized in the network
   • the types of data that need to be prioritized
   • the distance the selected medium can successfully carry a signal
   • the number of intermediary devices installed in the network
   • the environment where the selected medium is to be installed

4. Which two statements describe intermediary devices? (Choose two.)

   • Intermediary devices generate data content.
   • Intermediary devices alter data content.
   • Intermediary devices direct the path of the data.
   • Intermediary devices connect individual hosts to the network.
   • Intermediary devices initiate the encapsulation process.

5. What are two functions of end devices on a network? (Choose two.)

   • They originate the data that flows through the network.
   • They direct data over alternate paths in the event of link failures.
   • They filter the flow of data to enhance security.
   • They are the interface between humans and the communication network.
   • They provide the channel over which the network message travels.

6. Which area of the network would a college IT staff most likely have to redesign as a direct result of many students bringing their own tablets and smartphones to school to access school resources?

   • extranet
   • intranet
   • wired LAN
   • wireless LAN
   • wireless WAN

7. What type of network must a home user access in order to do online shopping?

   • an intranet
   • the Internet
   • an extranet
   • a local area network

8. An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?

   • an intranet
   • the Internet
   • an extranet
   • a local area network

9. Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.)

   
   

• DSL
• satellite
• cellular
• cable
• dial-up telephone

Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)

• DSL
• cellular
• satellite
• dialup
• dedicated leased line

Which term describes the state of a network when the demand on the network resources exceeds the available capacity?

• convergence
• congestion
• optimization
• synchronization

What type of network traffic requires QoS?

• email
• on-line purchasing
• video conferencing
• wiki

Which expression accurately defines the term bandwidth?

• a method of limiting the impact of a hardware or software failure on the network
• a measure of the data carrying capacity of the media
• a state where the demand on the network resources exceeds the available capacity
• a set of techniques to manage the utilization of network resources

A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support?

• data integrity
• data quality
• data confidentiality
• data redundancy

Which statement describes a characteristic of cloud computing?

• A business can connect directly to the Internet without the use of an ISP.
• Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.
• Devices can connect to the Internet through existing electrical wiring.
• Investment in new infrastructure is required in order to access the cloud.

What is the Internet?

• It is a network based on Ethernet technology.
• It provides network access for mobile devices.
• It provides connections through interconnected global networks.
• It is a private network for an organization with LAN and WAN connections.

Which statement describes the use of powerline networking technology?

• New “smart” electrical cabling is used to extend an existing home LAN.
• A home LAN is installed without the use of physical cabling.
• A device connects to an existing home LAN using an adapter and an existing electrical outlet.
• Wireless access points use powerline adapters to distribute data through the home LAN.

What security violation would cause the most amount of damage to the life of a home user?

• denial of service to your email server
• replication of worms and viruses in your computer
• capturing of personal data that leads to identity theft
• spyware that leads to spam emails

A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)

• implementing a firewall
• installing a wireless network
• installing antivirus software
• implementing an intrusion detection system
• adding a dedicated intrusion prevention device

A           converged         network is capable of delivering voice, video, text, and graphics over the same communication channels.

Fill in the blank.

The acronym      byod       refers to the policy that allows employees to use their personal devices in the business office to access the network and other resources.

Match the description to the form of network communication. (Not all options are used.)

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• Answer
  
  

Match each characteristic to its corresponding Internet connectivity type. (Not all options are used.)

• Question
  
  
• Answer
  
  

Match the definition to the security goal. (Not all options are used.)

• Question
  
  
• Answer
  

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résumés cours 2 eme annee

 

 

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