Itn module1-7

Spyware

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?

Extranet

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

Bring Your Own Device (BYOD)

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?

Internet Service Provider (ISP)

It is an organization that enables individuals and businesses to connect to the Internet.

Wireless Internet Service Provider (WISP)

The scenario that the use of ____ is recommended is a farm in a rural area without wired broadband access

Scalability

What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?

Fault Tolerance

A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here?

Scalability

This characteristic grows in size without impacting existing users and is suitable for modular devices that allow for expansion

Router

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

Cellular, Satellite

Two Internet connection options do not require that physical cables be run to the building?

Internet

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

Bring Your Own Device (BYOD)

Provides flexibility in where and how users can access network resources.

Virtual Private Network (VPN)

What network feature would allow an employee to gain secure remote access to a company network?

Internet

It provides connections through interconnected global networks.

End Devices

It is where data that flows through the network originates and is an interface between humans and communication network

User EXEC Mode

Ends with the > symbol and only some aspects of the router configuration can be viewed

Privileged EXEC Mode

Which type of access is secured on a Cisco router or switch with the enable secret command?

VLAN1

What is the default SVI on a Cisco switch?

Naming Conventions

The hostname should be fewer than 64 characters in length, contains no spaces, and it begins with a letter

Shell

Interfaces between the user and the kernel

RAM

Which memory location on a Cisco router or switch will lose all content when the device is restarted

Non-Volatile Random Access Memory (NVRAM)

Which memory location on a Cisco router or switch stores the startup configuration file?

10.1.0.0

To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used?

Standard Organizations

IANA, IEEE, IETF

Broadcast

What type of communication will send a message to all devices on a local area network?

Encoding

Converts information to the appropriate form for transmission

Layered Network Model

Its benefits include: assists in protocol design, prevents technology in one layer from affecting other layers

Protocol

Provides the rules required for a specific type of communication to occur

Destination IP address

Which logical address is used for delivery of data to a remote network?

Protocol Data Unit (PDU)

What is the general term that is used to describe a piece of data at any layer of a networking model?

IP, ICMP

Which two protocols function at the internet layer?

Transport

Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

Multicast

Which type of communication will send a message to a group of host destinations simultaneously?

Decoding

What process is used to receive transmitted data and convert it into a readable message?

Encapsulated in a Layer 2 frame

What is done to an IP packet before it is transmitted over the physical medium?

Encapsulation

What process is used to place one message inside another message for transfer from the source to the destination?

Powerline Networking Technology

A device connects to an existing home LAN using an adapter and an existing electrical outlet

Tab Key

It completes the remainder of a partially typed word in a command

Switch Virtual Interface (SVI)

It provides a means to remotely manage a switch, not associated with any physical interface on a switch, and is associated with VLAN1 (default)

" Exit "

Allows a user to return to the previous level in the command hierarchy

(config)# service password-encryption

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

show ip interface brief

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

Response Timeout

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

Network Protocols

They define how messages are exchanged between the source and the destination.

Peer-to-peer

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

Physical Layer

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

Rollover

What type of cable is used to connect a workstation serial port to a Cisco router console port?

Full-Duplex Connectivity

Why are two strands of fiber used for a single fiber optic connection?

Twisting opposing circuit wire pairs together

Reduces the effect of crosstalk in copper cables?

Straight-Through

Which type of UTP cable is used to connect a PC to a switch port?

Amount of data that can flow from one place to another in a given amount of time

Crosstalk

It's the leakage / distortion of the transmitted messages from signals carried in adjacent wires

Throughput

The measure of the bits transferred across the media over a given period of time

MAC address

What identifier is used at the data link layer to uniquely identify an Ethernet device?

Logical Topologies

Refers to how a network transfers data between devices

Carrier Sense Multiple Access / Collision Avoidance (CSMA / CA)

Contention-based access on a wireless network

Mesh

Which physical topology requires that every node is attached to every other node on the network?

Half Duplex

Data that is transmitted over the network flows in one direction at a time

Logical Link Control (LLC)

Identifies which network layer protocol is being used

LLC, MAC

What are the two sublayers of the OSI model data link layer?

Data Link

Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?

Star

What type of physical topology can be created by connecting all Ethernet cables to a central device?

MAC addresses

They must be globally unique

It will discard the frame

What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?

Switch

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame

Switch

Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?

The frame is dropped

What happens to runt frames received by a Cisco Ethernet switch?

The source Layer 2 address of incoming frames

What addressing information is recorded by a switch to build its MAC address table?

auto-MDIX

A feature that detects Ethernet cable type

64 bytes, 1518 bytes

Ethernet frame sizes, minimum : ___ ; maximum : ___