CISCO Chapter 1 + vocabulary
Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?
extranet
Which command encrypts all plaintext passwords access on a switch?
service password-encryption
Which connection physically connects the end device to the network?
NIC
Which memory location on a Cisco router or switch stores the startup configuration file?
NVRAM
Which memory location on a Cisco router or switch will lose all content when the device is restarted?
RAM
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 (BYOD)
Which access method would be most appropriate if you were in the equipment room with a new switch that needs to be configured?
console
Which two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in? (Choose two.)
CTRL + Z or end
Which feature uses the same cellular technology as a smart phone?
Wireless broadband
Which device performs the function of determining the path that messages should take through internetworks?
a router
Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business?
LAN
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
Which attack slows down or crashes equipment and programs?
Denial of Service
What is the structure of an IPv4 address called?
Dotted decimal format
Which network infrastructure might an organisation use to provide secure and safe access to individuals who work for a different organization but require access to the organisation's data?
Extranet
Which option blocks unauthorised access to your network?
Firewall
Which connections are specialised ports on a networking device that connect to individual networks?
Interface
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 organisation that enables individuals and businesses to connect to the Internet.
What is the Internet?
It provides connections through interconnected global networks.
Which access method would be the most appropriate in-band access to the IOS over a network connection?
Telnet
Which two statements are true regarding the user EXEC mode? (Choose two.)
The device prompt for this mode ends with the ">" symbol
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.
What is the default SVI on a Cisco switch?
VLAN 1
An employee wants to access the network of the organisation remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network?
VPN
Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country?
Video Communications
Which option creates a secure connection for remote workers?
Virtual Private Network
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?
faulty tolerance
Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture?
faulty tolerance
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
Which feature describes using personal tools to access information and communicate across a business or campus network?
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.
Which feature contains options such as Public, Private, Custom and Hybrid?
Cloud computing
Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?
Logical Topology
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.
Which type of network topology lets you see the actual location of intermediary devices and cable installation?
Physical Topology
Which feature is being used when connecting a device to the network using an electrical outlet?
Powerline
With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion?
QoS (Quality of Service)
When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved?
Scalability
Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture?
Security
Which option describes malicious code running on user devices?
Virus, worm, or trojan horse
Which functionality is provided by DHCP?
automatic assignment of an IP address to each host
Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)
cellular and satellite
Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the switch?
console
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)
displaying a list of all available commands within the current mode
When data is encoded as pulses of light, which media is being used to transmit the data?
fibre-optic cable
How is an IPv4 address represented?
four decimal numbers between 0 and 255 separated by periods.
What are two characteristics of a scalable network? (Choose two.)
grows in size without impacting existing users and suitable for modular devices that allow for expansion
Which of the following is the name for all computers connected to a network that participate directly in network communication?
hosts
Which command enables password authentication for user EXEC mode access on a switch?
login
Which type of access is secured on a Cisco router or switch with the enable secret command?
privileged exec
Which two devices are intermediary devices? (Choose two)
routers and hosts
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 interface has no physical port associated with it?
switch virtual interface
When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)
the hostname should be fewer than 64 characters in length
What type of network must a home user access in order to do online shopping?
the intranet
Why would a technician enter the command "copy startup-config running-config?"
to copy an existing configuration into RAM