Module 1-3

Which three acronyms/initialisms represent standards organizations? (Choose three.)

1.) IETF 2.) IEEE 3.) IANA

Which two protocols function at the internet layer? (Choose two.)

1.) IP 2.) ICMP

What are two benefits of using a layered network model? (Choose two.)

1.) It prevents technology in one layer from affecting other layers 2.) It assists in protocol design

Which two statements are true regarding the user EXEC mode? (Choose two.)

1.) Only some aspects of the router configuration can be viewed 2.) The device prompt for this mode ends with ">" symbol

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

1.) The originate the data that flows through the network 2.) They are the interface between humans and the communication network

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

1.) cellular 2.) satellite

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

1.) determining which option, keyword, or argument is available for the entered command. 2.) displaying a list of all available commands within the current mode

What are two characteristics of a scalable network? (Choose two.)

1.) suitable for modular devices that allow for expansion 2.) grows in size without impacting existing users

When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)

1.) the hostname should begin with a letter 2.) the hostname should be fewer than 64 characters in length 3.) the hostname should contain no spaces

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

10.1.0.0

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

HTTP, TCP, IP, Ethernet

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

RAM

In which scenario would the use of a WISP be recommended?

a farm in a rural area without wired broadband access

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

a router

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

encapsulation

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

extranet

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

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?

scalability

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

the internet

In computer communication, what is the purpose of message encoding?

to convert information to the appropriate form in transmission

Why would a technician enter the command copy startup-config running-config?

to copy an existing configuration into RAM

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

transport

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

user EXEC mode

How does BYOD change the way in which businesses implement networks?​

BYOD provides flexibility in where and how users can access network resources.

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

It affects the operation of the device immediately when modified

What is the function of the shell in an OS?

It interfaces between the users and the kernel.

What is an ISP?

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

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

It is encapsulated in a Layer 2 frame

What is the internet?

It provides connections through interconnected global networks.

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

NVRAM

An administrator has just changed the IP address of an interface on an IOS device. What else must be done in order to apply those changes to the device?

Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed.

What is the default SVI on a Cisco switch?

VLAN 1

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

Which functionality is provided by DHCP?

automatic assignment of an IP address to each host

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?

bring your own device

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

broadcast

Which message delivery option is used when all devices need to receive the same message simultaneously?

broadcast

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

decoding

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

destination IP address

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

multicast

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

priviliged EXEC

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

protocol data unit

What is the purpose of protocols in data communications?

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