CISCO II

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 functionality is provided by DHCP?

Automatic assignment of IP to each host.

Which of the following wireless standards is used for Personal Area Networks (PANs) and allows devices to communicate over distances of 1 to 100 meters?

Bluetooth

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

Broadcast

Which two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in?

CTRL+Z end

Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic cabling for two-way data transmission.

Coaxial

Which two protocols are service discovery protocols?

DNS DHCP

Which two protocols belong in the TCP/IP model application layer?

DNS DHCP

The physical layer of the receiving device passes bits up to which higher level layer?

Data Link

What is the order of the two addresses in the data link frame?

Destination MAC Source MAC

What types of standards are developed by the Electronics Industries Alliance (EIA)?

Electrical wiring and connectors

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

Encoding

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

Ethernet

True or False? Data Link addresses are physical so they never change in the data link frame from source to destination.

False

True or false? The physical layer is only concerned with wired network connections.

False

True or false? The right-most part of an IP address is used to identify the network that a device belongs to.

False

True or false? When a frame is encoded by the physical layer, all bits are sent over the media at the same time.

False

What are three components of message timing?

Flow Control Access Method Response Timeout

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

Formatting

What PDU is received by the physical layer for encoding and transmission?

Frame

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

This standards organization is responsible for IP address allocation and domain name management.

IANA Internet Assigned Numbers Authority

Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery?

ICMPv4 ICMPv6

Which three acronyms/initialisms represent standards organizations?

IETF IEEE IANA

This standards organization is concerned with the Request for Comments (RFC) documents that specify new protocols and update existing ones.

IETF Internet Engineering Task Force

Which two protocols function at the internet layer?

IP ICMP

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?

IP at the internet layer.

What statements are true about the running configuration file in a Cisco IOS device?

It affects the operation of the device immediately when modified.

What are two benefits of using a layered network model?

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

What is the function of the shell in an OS?

It interfaces between the user and the kernel.

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

It is encapsulated in a layer 2 frame.

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

Multicast

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

Multicast

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

NVRAM

Which of the following statements are true regarding network layer and data link layer addresses? (Choose three.)

Network layer addresses are logical and data link layer addresses are expressed as 12 hexadecimal digits. Data link layer addresses are physical and Network layer addresses are logical. Network layer addresses are either 32 or 128 bits in length.

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 take effect as soon as it has been typed correctly and entered.

Which two statements are true regarding the user EXEC mode?

Only some aspects of the router can be viewed. It device prompt for this mode ends with the > symbol.

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

PDU Protocol Data Unit

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

RAM.

Which services are provided by the internet layer of the TCP/IP protocol suite?

Routing Protocols Messaging Internet Protocols

Which of the following counters EMI and RFI by using shielding techniques and special connectors?

STP

What is the purpose of the sequencing function in network communication?

To uniquely label segments of data for proper reassembly by the reciever

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

Should begin with a letter. Should contain no spaces. Should not be longer than 64 characters.

What is used to determine the network portion of an IPv4 address?

Subnet Mask

This protocol is responsible for guaranteeing the reliable delivery of information.

TCP

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

True or false. Standards organizations are usually vendor-neutral.

True

True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway.

True

Which of the following is the most common network media?

UTP

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.

What is the default SVI on a Cisco switch?

VLAN1.

Which of the following wireless standards is best suited for industrial and IoT environments?

Zigbee

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

broadcast

Which of the following terminates with BNC, N type and F type connectors?

coaxial

Which protocol stack layer encapsulates data into frames?

data link

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 two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI?

determining which option, argument, or keyword is available for the entered command. Displaying a list of commands available in the current mode.

What is the name of the process of adding protocol information to data as it moves down the protocol stack?

encapsulation

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

encapsulation

True or false. Wireless LANs operate in full-duplex allowing all devices to send or receive data at the same time so the number of users does not impact performance.

false

True or false. Wireless is not well suited for enterprise networks

false

Which IOS mode are you in if the Switch(config)# prompt is displayed?

global config mode

Which of the following fiber-optic cable types can help data travel approximately 500 meters?

multimode

Which of the following fiber-optic cable types is used within a campus network?

multimode

Which of the following fiber-optic cable types use light emitting diodes (LEDs) as a data light source transmitter?

multimode

Which IOS mode allows access to all commands and features?

privileged exec mode

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

privileged exec.

What is the purpose of protocols in data communications?

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

BGP and OSPF are examples of which type of protocol?

routing

What is the PDU associated with the transport layer?

segment

What is the process of dividing a large data stream into smaller pieces prior to transmission?

segmentation

Which of the following fiber-optic cable types can travel approximately 100 km?

single mode

Which of the following fiber-optic cable types is used to connect long-distance telephony and cable TV applications?

single mode

Which of the following fiber-optic cable types use lasers in a single stream as a data light source transmitter?

single mode

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

to convert information to the appropriate form for transmission.

UDP and TCP belong to which layer of the TCP/IP protocol?

transport

Which IOS mode are you in if the Switch> prompt is displayed?

user exec mode