Cisco 1 CCNA tests and quizzes

What are two characteristics of a scalable network?

Grows in size without impacting existing users and Suitable for modular devices that allow for expansion.

Which functionality is provided by DHCP? remote switch management end-to-end connectivity test automatic assignment of an IP address to each host translation of IP addresses to domain names

automatic assignment of an IP address to each host

Which is the command to configure a banner to be displayed when connecting to a switch? banner $ Keep out $ banner motd $ Keep out $ display $ Keep out $ login banner $ Keep out $

banner motd $ Keep out $

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 10.0.0.0 10.1.100.32 10.1.100.0

10.1.0.0

Why would a technician enter the command copy startup-config running-config? to copy an existing configuration into RAM to make a changed configuration the new startup configuration to save an active configuration to NVRAM to remove all configurations from the switch

to copy an existing configuration into RAM

What is the purpose of the sequencing function in network communication? to uniquely label transmitted segments of data for proper reassembly by the receiver to determine if data is corrupted during transmission to ensure data flows at an efficient rate between sender and receiver to guarantee delivery of data

to uniquely label transmitted segments of data for proper reassembly by the receiver

Which IOS mode are you in if the Switch> prompt is displayed? global configuration mode interface subconfiguration mode line console subconfiguration mode privileged EXEC mode user EXEC mode

user EXEC mode

What describes malicious code running on user devices?

virus, worm, and trojan horse

What is the structure of an IPv4 address called? dotted-binary format dotted-decimal format dotted-hexadecimal format

dotted-decimal format

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? A. 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. B. Copy the running configuration to the startup configuration file. C. Copy the information in the startup configuration file to the running configuration. D. Reload the device and type yes when prompted to save the configuration.

A

What is the Internet? a. It provides connections through interconnected global networks. b. It provides network access for mobile devices. c. It is a network based on Ethernet technology. d. It is a private network for an organization with LAN and WAN connections.

A

What is the function of the shell in an OS? It interfaces between the users and the kernel. It interacts with the device hardware. It provides dedicated firewall services. It provides the intrusion protection services for the device.

A

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.) determining which option, keyword, or argument is available for the entered command allowing the user to complete the remainder of an abbreviated command with the TAB key displaying a list of all available commands within the current mode providing an error message when a wrong command is submitted selecting the best command to accomplish a task

A and C

Which three are components of message timing? (Choose three.) A. Flow control B. Sequence numbers C. Access method d. Retransmit time e. Response timeout

A, C and E

In which scenario would the use of a WISP be recommended? A. a farm in a rural area without wired broadband access B. An apartment in a building with cable access to the internet C. An internet cafe in a city D. in a home with multiple wireless devices

A. a farm in a rural area without wired broadband access

Which access method would be the most appropriate if you call your manager to tell him you cannot access your router in another city over the internet and he provides you with the information to access the router through a telephone connection? Console Telnet/SSH Aux

AUX

When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.) the hostname should end with a special character the hostname should contain no spaces the hostname should begin with a letter the hostname should be fewer than 64 characters in length the hostname should be written in all lower case characters

B, C and D

Which feature describes using personal tools to access information and communicate across a business or campus network?

BYOD

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

Bring Your Own Device

Which statement is true about the running configuration file in a Cisco IOS device? It is stored in NVRAM. It should be deleted using the erase running-config command. It affects the operation of the device immediately when modified. It is automatically saved when the router reboots.

C

Which two statements are true regarding the user EXEC mode? (Choose two.) Interfaces and routing protocols can be configured. Global configuration mode can be accessed by entering the enable command. Only some aspects of the router configuration can be viewed. The device prompt for this mode ends with the ">" symbol. All router commands are available.

C and D

Which two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in? (Choose two.) CTRL+Z disable enable end exit

CTRL+Z and End

Which feature contains options such as Public, Private, Custom and Hybrid?

Cloud Computing

What is the command to assign the name "Sw-Floor-2" to a switch? hostname Sw-Floor-2 host name Sw-Floor-2 name Sw-Floor-2

hostname Sw-Floor-2

Which access method would be most appropriate if you were in the equipment room with a new switch that needs to be configured? Console Telnet/SSH Aux

Console

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 Telnet/SSH Aux

Console

How does BYOD change the way in which businesses implement networks?​ A. BYOD requires organizations to purchase laptops rather than desktops. B. BYOD devices are more expensive than devices that are purchased by an organization. C. BYOD users are responsible for their own network security, thus reducing the need for organizational security policies. D. BYOD provides flexibility in where and how users can access network resources.

D

What are two functions of end devices on a network? (Choose two.) a. They filter the flow of data to enhance security. b. They direct data over alternate paths in the event of link failures. c. They provide the channel over which the network message travels. d. They are the interface between humans and the communication network. e. They originate the data that flows through the network.

D and E

Which two protocols are service discovery protocols? (Choose two.) DNS TCP SSH DHCP

DNS and DHCP

Which two protocols belong in the TCP/IP model application layer? EIGRP DNS OSPF ICMP DHCP

DNS and DHCP

Which attack slows down or crashes equipment and programs?

Denial of Service (DoS)

Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization's data?

Extranet

What is the process of converting information into the proper form for transmission? Formatting Encoding Encapsulation

Encoding

Which protocol operates at the network access layer of the TCP/IP model? HTTP IP DNS Ethernet

Ethernet

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

Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture?

Fault Tolerance

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

Fiber-optic Cable

What blocks unauthorized access to your network?

Firewall

Which step of the communication process is concerned with properly identifying the address of the sender and receiver? Formatting Encoding Encapsulation

Formatting

Which IOS mode are you in if the Switch(config)# prompt is displayed? global configuration mode interface subconfiguration mode line console subconfiguration mode privileged EXEC mode user EXEC mode

Global Configuration Mode

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

Hosts

Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.) IPv4 TCP ICMPv4 IPv6 UDP ICMPv4

ICMPv4 and ICMPv4

A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device? HTTP at the application layer HTML at the application layer IP at the internet layer UDP at the internet layer TCP at the transport layer

IP at the internet layer

Which connections are specialized ports on a networking device that connect to individual networks?

Interface

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

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

Which delivery method is used to transmit information to one or more end devices, but not all devices on the network? Unicast Multicast Broadcast

Multicast

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 flash RAM ROM

NVRAM

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

Which type of access is secured on a Cisco router or switch with the enable secret command? AUX port console line privileged EXEC virtual terminal

Privileged EXEC

Which IOS mode allows access to all commands and features? global configuration mode interface subconfiguration mode line console subconfiguration mode privileged EXEC mode user EXEC mode

Privileged EXEC mode

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

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

RAM

Which two devices are intermediary devices? (Choose two)

Routers and Switches

BGP and OSPF are examples of which type of protocol? network communication network security routing service discovery

Routing

Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.) File Transfer Address Resolution Routing Protocols Messaging Ethernet Internet Protocol

Routing Protocols, Messaging and Internet Protocol

Which two Internet connection options do not require that physical cables be run to the building? (Choose two.) DSL dialup satellite dedicated leased line cellular

Satellite Cellular

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

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

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. What type of threat is affecting this computer?

Spyware

This protocol is responsible for guaranteeing the reliable delivery of information. TCP IP HTTP Ethernet

TCP

Which access method would be the most appropriate in-band access to the IOS over a network connection? Console Telnet/SSH Aux

Telnet/SSH

What type of network must a home user access in order to do online shopping? an extranet a local area network an intranet the Internet

The Internet

UDP and TCP belong to which layer of the TCP/IP protocol? application transport internet network access

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? global configuration mode setup mode privileged EXEC mode user EXEC mode

User EXEC mode

What is the default SVI on a Cisco switch? VLAN99 VLAN999 VLAN1 VLAN100

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? a. BYOD b. ACL c. VPN d. IPS

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

What creates a secure connection for remote workers?

Virtual Privat Network (VPN)

Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider? Extranet

WAN

Which feature uses the same cellular technology as a smartphone?

Wireless Broadband

What describes a network attack that occurs on the first day that a vulnerability becomes known?

Zero-day or zero-hour

Which device performs the function of determining the path that messages should take through internetworks? a web server a router a DSL modem a firewall

a Router

How is the privileged EXEC mode access secured on a switch? enable class secret class enable secret class service password-encryption

enable secret class

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

extranet

How is an IPv4 address represented? four binary numbers between 0 and 1 separated by colons. four decimal numbers between 0 and 255 separated by periods. thirty-two hexadecimal numbers separated by colons. thirty-two hexadecimal numbers separated by periods.

four decimal numbers between 0 and 255 separated by periods.

What is an ISP?

it is an organization that enables individuals and businesses to connect to the internet

Which command enables password authentication for user EXEC mode access on a switch? enable secret login secret service password-encryption

login

Which command encrypts all plaintext passwords access on a switch? enable secret login secret service password-encryption

service password-encryption

What type of interface has no physical port associated with it? console Ethernet serial switch virtual interface (SVI)

switch virtual interface (SVI)