CCNA 1 Chapter 1 midterm
What is a characteristic of circuit-switched networks?
If all circuits are busy, a new call cannot be placed.*
Which statement describes a network that supports QoS?
The network provides predictable levels of service to different types of traffic.*
What are two functions of end devices on a network? (Choose two?
They originate the data that flows through the network.* They are the interface between humans and the communication network.*
Which expression accurately defines the term congestion?
a state where the demand on the network resources exceeds the available capacity*
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?
wireless LAN*
Refer to the exhibit. This represents an example of an INTERNAL security threat to an organization. Image= computer with pass on sticky note
! internal
Which three devices are considered end devices in a network? (Choose three.)
1. VoIP phone 2.security camera 3. TelePresence endpoint
A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)
1. firewall 2.antivirus software
What two criteria are used to help select a network medium from various network media? (Choose two.)
1. the distance the selected medium can successfully carry a signal* 2. the environment where the selected medium is to be installed
Which two Internet solutions provide an always-on, high-bandwidth connection to computers on a LAN? (Choose two.) Which two Internet solutions provide an always-on, high-bandwidth connection to computers on a LAN? (Choose two.)
1.DSL 2.Cable
Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.)
1.DSL 2.Cable
Which two statements describe intermediary devices? (Choose two.)
1.Intermediary devices direct the path of the data. * 2.Intermediary devices connect individual hosts to the network.*
What are two functions of intermediary devices on a network? (Choose two.)
1.They direct data along alternate pathways when there is a link failure. * 2.They filter the flow of data, based on security settings.*
Which two statements about the relationship between LANs and WANs are true? (Choose two.)
1.WANs connect LANs at slower speed bandwidth than LANs connect their internal end devices.* 2.WANs are typically operated through multiple ISPs, but LANs are typically operated by single organizations or individuals.*
Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)
1.cellular 2.satellite
What are two characteristics of a scalable network? (Choose two.)
1.grows in size without impacting existing users 2.suitable for modular devices that allow for expansion
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.)
1.lacks centralized administration * 2.less cost to implement* 3.easy to create*
how many layers in the network?
7 layers
Which statement describes the use of powerline networking technology?
A device connects to an existing home LAN using an adapter and an existing electrical outlet.*
Which statement describes a characteristic of a converged network?
A single network that delivers voice, video, and data to a variety of devices.
Refer to the exhibit. Which set of devices contains only intermediary devices? (picture of router, switches, server, phone, computers)
A,B,D,G router- switch- wireless router- switch-
Which statement describes a characteristic of cloud computing?
Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.*
Which project started the development of inter-network connections using TCP/IP that has evolved into the Internet today.
Arpnet
The acronym __________ refers to the policy that allows employees to use their personal devices in the business office to access the network and other resources.
BYOD (bring your own device)
How does BYOD change the way in which businesses implement networks?
BYOD provides flexibility in where and how users can access network resources.
What is an ISP?
Correct! It is an organization that enables individuals and businesses to connect to the Internet.
A BLANK is a private connection of LANs and WANs that belongs to an organization, and is designed to be accessible only by the members and employees of the organization, or others with authorization.
Intranet
matching -an audio based medium that allows people to deliver their recordings to a wide audience
Podcast
Which tool provides real-time video and audio communication over the Internet so that businesses can conduct corporate meetings with participants from several remote locations?
TelePresence
An employee wants to access the network of the organization remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network?
VPN
In which scenario would the use of a WISP be recommended?
a farm in a rural area without wired broadband access
Which expression accurately defines the term bandwidth?
a measure of the data carrying capacity of the media*
What is a WAN?
a network infrastructure that provides access to other networks over a large geographic area
Which device performs the function of determining the path that messages should take through internetworks?
a router
Which description correctly defines a converged network?
a single network channel capable of delivering multiple communication forms*
What security violation would cause the most amount of damage to the life of a home user?
capturing of personal data that leads to identity theft*
Which term describes the state of a network when the demand on the network resources exceeds the available capacity?
congestion*
A ___________ network is capable of delivering voice, video, text, and graphics over the same communication channels.
converged
A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support?
data confidentiality
matching -the assurance of timely and reliable access to data
ensuring availability
Matching- only the intended recipients can access and read the data
ensuring confidentiality
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?
fault tolerance
Matching: -real-time communication between two or more group
instant messaging
Refer to the exhibit. Which term correctly identifies the device type that is included in the area B? (image of packet source--B--Packet destination)
intermediary
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?
intranet
matching- the assurance that the information has not been altered during transmission
maintaining integrity
matching -interactive websites where poeple create and share user generated content with friends and family
social media
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?
spyware
What are the layers of the network (bottom to top)
top-Application layer presentation layer sessions layer transport layer network layer data link layer physical layer-bottom APSTNDlP
matching -web pages that groups of people can edit and view together
wiki
