Cisco Networking Midterm (1-4)

Fill in the blank. The MAC address of a PC does not change when the PC is moved to a different network because the MAC address is embedded in the ________ of the PC.

NIC Network interface card Network card ...

In which scenario would the use of a WISP be recommended? Group of answer choices an apartment in a building with cable access to the Internet a farm in a rural area without wired broadband access any home with multiple wireless devices an Internet cafe in a city

a farm in a rural area without wired broadband access

A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.) implementing a firewall installing a wireless network installing antivirus software implementing an intrusion detection system adding a dedicated intrusion prevention device

implementing a firewall installing antivirus software

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.) Group of answer choices Ethernet interface privileged EXEC mode boot IOS mode VTY interface console interface router configuration mode

privileged EXEC mode VTY interface console interface

Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model? bits frame packet segment

segment

What type of network traffic requires QoS? email on-line purchasing video conferencing wiki

video conferencing

What is an advantage of network devices using open standard protocols? Network communications is confined to data transfers between devices from the same vendor. A client host and a server running different operating systems can successfully exchange data. Internet access can be controlled by a single ISP in each market. Competition and innovation are limited to specific types of products.

A client host and a server running different operating systems can successfully exchange data.

Which statement describes the use of powerline networking technology? New "smart" electrical cabling is used to extend an existing home LAN. A home LAN is installed without the use of physical cabling. A device connects to an existing home LAN using an adapter and an existing electrical outlet. Wireless access points use powerline adapters to distribute data through the home LAN.

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? The network establishes separate communication channels for each network service. The network uses different technologies for voice, video, and data. Network services are delivered over a wide range of network platforms. A single network that delivers voice, video, and data to a variety of devices.

A single network that delivers voice, video, and data to a variety of devices.

Which statement describes a characteristic of cloud computing? A business can connect directly to the Internet without the use of an ISP. Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world. Devices can connect to the Internet through existing electrical wiring. Investment in new infrastructure is required in order to access the cloud.

Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.

Which networking trend involves the use of personal tools and devices for accessing resources on a business or campus network? BYOD cloud computing video conferencing powerline networking

BYOD

What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.) ARP DHCP DNS FTP NAT PPP

DHCP DNS FTP

Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.) cellular DSL satellite cable dial-up telephone

DSL cable

Mobile devices do not require IP addresses to communicate on the Internet. True False

False

Match: First mode Second mode Third mode Final mode Interface configuration mode Privileged EXEC mode Line configuration mode Global configuration mode User EXEC mode

First mode - User EXEC mode Second mode - Privileged EXEC mode Third mode - Global configuration mode Final mode - Line configuration mode

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, IP, TCP, Ethernet HTTP, TCP, IP, Ethernet Ethernet, TCP, IP, HTTP Ethernet, IP, TCP, HTTP

HTTP, TCP, IP, Ethernet

Which three acronyms/initialisms represent standards organizations? (Choose three.) TCP/IP IANA MAC OSI IEEE IETF

IANA IEEE IETF

Which two statements describe intermediary devices? (Choose two.) Intermediary devices generate data content. Intermediary devices alter data content. Intermediary devices direct the path of the data. Intermediary devices connect individual hosts to the network. Intermediary devices initiate the encapsulation process.

Intermediary devices connect individual hosts to the network. Intermediary devices direct the path of the data.

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM? Issue the reload command without saving the running configuration. Delete the vlan.dat file and reboot the device. Close and reopen the terminal emulation software. Issue the copy startup-config running-config command.

Issue the reload command without saving the running configuration.

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

It affects the operation of the device immediately when modified.

How does the service password-encryption command enhance password security on Cisco routers and switches? It encrypts passwords as they are sent across the network. It encrypts passwords that are stored in router or switch configuration files. It requires that a user type encrypted passwords to gain console access to a router or switch. It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet.

It encrypts passwords that are stored in router or switch configuration files.

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

It provides connections through interconnected global networks.

Match: Message encoding Message sizing Message encapsulation the process of determining when to begin sending messages on a network the process of converting information from one format into another acceptable for transmission the process of placing one message format inside another message format the process of unpacking one message format from another message format the process of breaking up a long message into individual pieces before being sent over the network

Message encoding - the process of converting information from one format into another acceptable for transmission Message sizing - the process of breaking up a long message into individual pieces before being sent over the network Message encapsulation - the process of placing one message format inside another message format

Match: 1. Not suited for heavily wooded areas 2. Uses coaxial cable as a medium 3. Typically has very low bandwidth 4. High bandwidth connection that runs over telephone line 5. Typically uses a T1/E1 or T3/E3 circuit A. DSL B. Dialup telephone C. Satellite D. Cable

Not suited for heavily wooded areas - Satellite Uses coaxial cable as a medium - Cable Typically has very low bandwidth - Dialup telephone High bandwidth connection that runs over telephone line - DSL

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

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.

Match: Preparing packets to be transmitted over the network media Managing the individual conversations between web servers and web clients Governing the way a web server and a web client interact Take the segments from the transport protocol, encapsulating them into packets, an assigning them with appropriate addresses Application protocol Internet protocol Network access protocol Network time protocol Transport protocol

Preparing packets to be transmitted over the network media - Network access protocol Managing the individual conversations between web servers and web clients - Transport protocol Governing the way a web server and a web client interact - Application protocol Take the segments from the transport protocol, encapsulating them into packets, an assigning them with appropriate addresses - Internet protocol

What is an advantage of using standards to develop and implement protocols? A particular protocol can only be implemented by one manufacturer. Products from different manufacturers can interoperate successfully. Different manufacturers are free to apply different requirements when implementing a protocol. Standards provide flexibility for manufacturers to create devices that comply with unique requirements.

Products from different manufacturers can interoperate successfully.

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.) Branch2! RM-3-Switch-2A4 Floor(15) HO Floor 17 SwBranch799

RM-3-Switch-2A4 SwBranch799

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen? Telnet Console AUX SSH

SSH

A technician configures a switch with these commands: SwitchA(config)# interface vlan 1 SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0 SwitchA(config-if)# no shutdown What is the technician configuring? Group of answer choices SVI physical switchport access password encryption Telnet access

SVI

A technician is adding a new PC to a LAN. After unpacking the components and making all the connections, the technician starts the PC. After the OS loads, the technician opens a browser, and verifies that the PC can reach the Internet. Why was the PC able to connect to the network with no additional configuration? The PC does not require any additional information to function on the network. The PC came preconfigured with IP addressing information from the factory. The PC was preconfigured to use DHCP. The PC used DNS to automatically receive IP addressing information from a server. The PC virtual interface is compatible with any network.

The PC was preconfigured to use DHCP.

Which statement is true about the TCP/IP and OSI models?​ The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.​ The TCP/IP network access layer has similar functions to the OSI network layer.​ The OSI Layer 7 and the TCP/IP application layer provide identical functions. The first three OSI layers describe general services that are also provided by the TCP/IP internet layer.

The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.​

What are two characteristics of RAM on a Cisco device? (Choose two.) RAM provides nonvolatile storage. The configuration that is actively running on the device is stored in RAM. The contents of RAM are lost during a power cycle. RAM is a component in Cisco switches but not in Cisco routers. RAM is able to store multiple versions of IOS and configuration files.

The configuration that is actively running on the device is stored in RAM. The contents of RAM are lost during a power cycle.

What will happen if the default gateway address is incorrectly configured on a host? The host cannot communicate with other hosts in the local network. The switch will not forward packets initiated by the host. The host will have to use ARP to determine the correct address of the default gateway. The host cannot communicate with hosts in other networks. A ping from the host to 127.0.0.1 would not be successful.

The host cannot communicate with hosts in other networks.

What is the function of the kernel of an operating system? It provides a user interface that allows users to request a specific task. The kernel links the hardware drivers with the underlying electronics of a computer. It is an application that allows the initial configuration of a Cisco device. The kernel provisions hardware resources to meet software requirements.

The kernel provisions hardware resources to meet software requirements.

Which statement is correct about network protocols? Network protocols define the type of hardware that is used and how it is mounted in racks. They define how messages are exchanged between the source and the destination. They all function in the network access layer of TCP/IP. They are only required for exchange of messages between devices on remote networks.

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

Why are open standards important in the data communications industry? They enable interoperability between software and hardware from different vendors. They encourage network organizations to develop proprietary software to retain their competitive edge. They eliminate the threat of security breaches. They are required for devices to gain access to the Internet.

They enable interoperability between software and hardware from different vendors.

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

They originate the data that flows through the network. They are the interface between humans and the communication network.

An IT technician has manually configured an IP address on a laptop for a new employee. Each time the employee tries to connect to the LAN, the employee receives a duplicate IP address error message. What can the company do to prevent this situation from arising again? Group of answer choices Configure the IP address on an SVI on the laptop. Use a virtual private network instead of the company LAN. Use DHCP to automatically assign addresses. Use laptops that do not require IP addresses.

Use DHCP to automatically assign addresses.

Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment? Use Telnet to remotely access the switch through the network. Use the console port to locally access the switch from a serial or USB interface of the PC. Use Secure Shell to remotely access the switch through the network​. Use the AUX port to locally access the switch from a serial or USB interface of the PC.

Use the console port to locally access the switch from a serial or USB interface of the PC.

Which interface is the default SVI on a Cisco switch? FastEthernet 0/1 GigabitEthernet 0/1 VLAN 1 VLAN 99

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? Group of answer choices BYOD ACL IPS VPN

VPN

What is a WAN? Group of answer choices a network infrastructure that spans a limited physical area such as a city a network infrastructure that provides access to other networks over a large geographic area a network infrastructure that provides access in a small geographic area a network infrastructure designed to provide data storage, retrieval, and replication

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 a firewall a web server a DSL modem

a router

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? an intranet the Internet an extranet a local area network

an intranet

Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.) application presentation session transport data link physical network

application presentation session

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

broadcast

What security violation would cause the most amount of damage to the life of a home user? denial of service to your email server replication of worms and viruses in your computer capturing of personal data that leads to identity theft spyware that leads to spam emails

capturing of personal data that leads to identity theft

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

cellular satellite

Which term describes the state of a network when the demand on the network resources exceeds the available capacity? convergence congestion optimization synchronization

congestion

A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support? data integrity data quality data confidentiality data redundancy

data confidentiality

At which layer of the OSI model would a physical address be encapsulated? network layer physical layer transport layer data link layer

data link layer

Which address does a NIC use when deciding whether to accept a frame? source IP address source MAC address destination IP address destination MAC address source Ethernet address

destination MAC address

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

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

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.) better security easy to create better device performance when acting as both client and server lacks centralized administration less cost to implement scalable

easy to create lacks centralized administration less cost to implement

What process is used to place one message inside another message for transfer from the source to the destination? access control decoding encapsulation flow control Navigation Bar

encapsulation

Which command or key combination allows a user to return to the previous level in the command hierarchy? end exit Ctrl-Z Ctrl-C

exit

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? Group of answer choices integrity security fault tolerance scalability quality of service (QoS)

fault tolerance

What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly? encapsulation flow control access method response timeout

flow control

Which PDU format is used when bits are received from the network medium by the NIC of a host? file frame packet segment

frame

What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC? if the TCP/IP stack is functioning on the PC without putting traffic on the wire if there is connectivity with the destination device the path that traffic will take to reach the destination what type of device is at the destination

if there is connectivity with the destination device

What command can be used on a Windows PC to see the IP configuration of that computer? ping ipconfig show interfaces show ip interface brief

ipconfig

What is a characteristic of a converged network? A converged network requires a separate network infrastructure for each type of communication technology it delivers data, voice, and video over the same network infrastructure it limits the impact of a failure by minimizing the number of devices affected it provides only one path between the source and destination of a message

it delivers data, voice, and video over the same network infrastructure

What type of delivery uses data link layer addresses? remote delivery using routers local delivery local and remote delivery remote delivery

local delivery

Which device acts as a gateway to allow hosts to send traffic to remote IP networks? local router DHCP server local switch DNS server

local router

What three requirements are defined by the protocols used in network communications to allow message transmission across a network? (Choose three.) message encoding delivery options media selection end-device installation connector specifications message size

message encoding delivery options message size

What type of message is sent to a specific group of hosts? multicast unicast dynamic static broadcast

multicast

At which layer of the OSI model would a logical address be added during encapsulation? physical layer data link layer network layer transport layer

network layer

What are proprietary protocols? protocols developed by private organizations to operate on any vendor hardware protocols that can be freely used by any organization or vendor protocols developed by organizations who have control over their definition and operation a collection of protocols known as the TCP/IP protocol suite

protocols developed by organizations who have control over their definition and operation

What is the purpose of protocols in data communications? Group of answer choices specifying the bandwidth of the channel or medium for each type of communication providing the rules required for a specific type of communication to occur specifying the device operating systems that will support the communication dictating the content of the message sent during communication

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

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? Group of answer choices DoS attack​ zero-day attack spyware identity theft

spyware

What are two characteristics of a scalable network? offers limited number of applications is not as reliable as a small network easily overloaded with increased traffic suitable for modular devices that allow for expansion grows in size without impacting existing users

suitable for modular devices that allow for expansion grows in size without impacting existing users

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

the Internet

Which information does the show startup-config command display?​ the IOS image copied into RAM the bootstrap program in the ROM the contents of the current running configuration file in the RAM the contents of the saved configuration file in the NVRAM

the contents of the saved configuration file in the NVRAM

What two criteria are used to help select a network medium from various network media? (Choose two.) the types of data that need to be prioritized the cost of the end devices utilized in the network the distance the selected medium can successfully carry a signal the number of intermediate devices installed in the network the environment where the selected medium is to be installed

the distance the selected medium can successfully carry a signal the environment where the selected medium is to be installed

Which characteristic describes the default gateway of a host computer? the logical address of the router interface on the same network as the host computer the physical address of the switch interface connected to the host computer the physical address of the router interface on the same network as the host computer the logical address assigned to the switch interface connected to the router

the logical address of the router interface on the same network as the host computer

Which interface allows remote management of a Layer 2 switch? the AUX interface the console port interface the switch virtual interface the first Ethernet port interface

the switch virtual interface

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

to copy an existing configuration into RAM

Why would a Layer 2 switch need an IP address? to enable the switch to send broadcast frames to attached PCs to enable the switch to function as a default gateway to enable the switch to be managed remotely to enable the switch to receive frames from attached PCs

to enable the switch to be managed remotely

Why is it important to configure a hostname on a device? a Cisco router or switch only begins to operate when its hostname is set a hostname must be configured before any other parameters to identify the device during remote access (SSH or telnet) to allow local access to the device through the console port

to identify the device during remote access (SSH or telnet)

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

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

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? extranet intranet wired LAN wireless LAN wireless WAN

wireless LAN