CCNA Modules 1 – 3

During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer?

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

What is an ISP?

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?

Which statement describes the use of powerline networking technology?

A networking technician is working on the wireless network at a medical clinic. The technician accidentally sets up the wireless network so that patients can see the medical records data of other patients. Which of the four network characteristics has been violated in this situation?

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

• uses coaxial cable as a medium

• not suited for heavily wooded areas

• typically uses a T1/E1 or T3/E3 curcuit

• typically has very low bandwidth

• high bandwidth connection that runs over telephone line

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

What type of network traffic requires QoS?

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

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

Which interface allows remote management of a Layer 2 switch?

What function does pressing the Tab key have when entering a command in IOS?

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?

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

A technician configures a switch with these commands:

What is the technician configuring?

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

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

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

How is SSH different from Telnet?

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.)

- interface configuration mode

- priveleged EXEC mode

- line configuration mode

- global configuration mode

- user EXEC mode

What are three characteristics of an SVI? (Choose three.)

What command is used to verify the condition of the switch interfaces, including the status of the interfaces and a configured IP address?

Match the description with the associated IOS mode. (Not all options are used.)

- changes made affect the operation of the device as a whole

- accessed by entering the enable command

- identified by a prompt ending with the # character

- limited number of basic monitoring commands

- accessed by entering the configure terminal command

- the first entrance into the CLI of an IOS device

- used to enable the password for vt lines

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

- tab

- space bar

- Up Arrow

- Ctrl-C

- ?

- Ctrl-Shift-6

In the show running-config command, which part of the syntax is represented by running-config ?

After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish?

What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)

Match the description to the organization. (Not all options are used.)

- IANA

- EIA

- ISOC

- ISO

Which name is assigned to the transport layer PDU?

When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

What process involves placing one PDU inside of another PDU

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

For the TCP/IP protocol suite, what is the correct order of events when a Telnet message is being prepared to be sent over the network?

- The IP header is added

- The TCP header is added

- The Ethernet header is added

- The Telnet-formatted data is provided to the next layer

Which PDU format is used when bits are received from the network medium by the NIC of a host?

Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process? (Choose two.)

Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond?

A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission?

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)

At which layer of the OSI model would a logical address be added during encapsulation?

What is a characteristic of multicast messages?

Which statement is correct about network protocols?

What is an advantage of network devices using open standard protocols?

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

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question

What is the IP address of the switch virtual interface (SVI) on Switch0?

Why would a Layer 2 switch need an IP address?

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

What term describes a network owned by one organization that provides safe and secure access to individuals who work for a different organization?

What term describes storing personal files on servers over the internet to provide access anywhere, anytime, and on any device?

What term describes a network where one computer can be both client and server?

What term describes a type of network used by people who work from home or from a small remote office?

What term describes a computing model where server software runs on dedicated computers?

What term describes a technology that allows devices to connect to the LAN using an electrical outlet?

What term describes a policy that allows network devices to manage the flow of data to give priority to voice and video?

What term describes a private collection of LANs and WANs that belongs to an organization?

What term describes the ability to use personal devices across a business or campus network?

At which OSI layer is a source IP address added to a PDU during the encapsulation process?

At which OSI layer is a destination port number added to a PDU during the encapsulation process?

At which OSI layer is data added to a PDU during the encapsulation process?

At which OSI layer is a source IP address added to a PDU during the encapsulation process?

At which OSI layer is a source port number added to a PDU during the encapsulation process?

Which of the following is the name for all computers connected to a network that participate directly in network communication?

At which OSI layer is a destination IP address added to a PDU during the encapsulation process?

At which OSI layer is a source MAC address added to a PDU during the encapsulation process?

At which OSI layer is a source port number added to a PDU during the encapsulation process?

At which OSI layer is a destination MAC address added to a PDU during the encapsulation process?

When data is encoded as pulses of light, which media is being used to transmit the data?

Which two devices are intermediary devices? (Choose two)