csi 2
b. logical
When a host on network A sends a message to a host on network B, which address does the router look at? Select one: a. none of the above b. logical c. physical d. port
a. Transport
When data are transmitted from device A to device B, the header from A's layer 4 is read by B's _______ layer. Select one: a. Transport b. Application c. None of the above d. Physical
b. session
n the OSI model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's _______ layer. Select one: a. transport b. session c. presentation d. physical
c. 16
A port address in TCP/IP is ______ bits long. Select one: a. 48 b. none of the above c. 16 d. 32
b. Added
As the data packet moves from the upper to the lower layers, headers are _______. Select one: a. Rearranged b. Added c. Modified d. Removed
a. 6-byte
Ethernet uses a ______ physical address that is imprinted on the network interface card (NIC). Select one: a. 6-byte b. 32-bit c. 64-bit d. none of the above
a. True
Graphical interfaces can be added to the Linux OS. Select one: a. True b. False
d. 128
IPv6 has _______ -bit addresses. Select one: a. 32 b. variable c. 64 d. 128
d. removed
In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______. Select one: a. added b. rearranged c. modified d. removed
d. presentation
In the OSI model, encryption and decryption are functions of the ________ layer. Select one: a. transport b. application c. session d. presentation
a. process-to-process message delivery
In the OSI model, what is the main function of the transport layer? Select one: a. process-to-process message delivery b. synchronization c. node-to-node delivery d. updating and maintenance of routing tables
c. Network
Layer 2 lies between the physical layer and the _______ layer. Select one: a. Transport b. Data link c. Network d. None of the above
c. Application
Mail services are available to network users through the _______ layer. Select one: a. Transport b. Data link c. Application d. Physical
b. physical
The ________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Select one: a. IP b. physical c. specific d. port
c. five-layer; before
TCP/IP is a ______ hierarchical protocol suite developed ____ the OSI model. Select one: a. seven-layer; before b. five-layer; after c. five-layer; before d. six-layer; before
b. Five
The Internet model consists of _______ layers. Select one: a. Three b. Five c. Seven d. Eight
a. (4)
The Internetworking Protocol (IP) is a ________ protocol. (1) connection-oriented (2) reliable (3) both (1) and (2) (4) none of the above Select one: a. (4) b. (1) c. (3) d. (2)
d. seven
The OSI model consists of _______ layers. Select one: a. three b. five c. eight d. seven
a. OSI
The _______ model shows how the network functions of a computer ought to be organized. Select one: a. OSI b. CCITT c. ISO d. ANSI
c. application
The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. Select one: a. data link b. network c. application d. physical
b. True
The Windows Explorer can be used to drag and drop both files and folders. Select one: a. False b. True
c. ISO
The ____ created a model called the Open Systems Interconnection, which allows diverse systems to communicate. Select one: a. none of the above b. OSI c. ISO d. IEEE
c. network
The ______ layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver. Select one: a. physical b. none of the above c. network d. data link
d. session
The ______ layer establishes, maintains, and synchronizes the interactions between communicating devices. Select one: a. network b. physical c. transport d. session Next
d. data link
The ______ layer is responsible for moving frames from one hop (node) to the next. Select one: a. physical b. none of the above c. transport d. data link
d. network
The ______ layer is responsible for the source-to-destination delivery of a packet across multiple network links. Select one: a. physical b. data link c. transport d. network
b. Physical
The _______ layer changes bits into electromagnetic signals. Select one: a. Data link b. Physical c. Transport d. None of the above
b. physical
The _______ layer coordinates the functions required to transmit a bit stream over a physical medium. Select one: a. data link b. physical c. transport d. network
b. presentation
The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. Select one: a. network b. presentation c. data link d. transport
b. data link
The _______ layer is responsible for delivering data units from one station to the next without errors. Select one: a. transport b. data link c. network d. physical
c. Physical
The _______ layer is the layer closest to the transmission medium. Select one: a. Data link b. Transport c. Physical d. Network
c. Transport
The _______ layer lies between the network layer and the application layer. Select one: a. None of the above b. Physical c. Transport d. Data link
c. transport
The _______ layer links the network support layers and the user support layers. Select one: a. network b. session c. transport d. data link
a. physical
The ________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Select one: a. physical b. none of the above c. port d. logical
b. transport
The ________ layer is responsible for the process-to-process delivery of the entire message. Select one: a. data link b. transport c. physical d. network
d. application
The _________ layer enables the users to access the network. Select one: a. physical b. data link c. transport d. application
a. bits
The physical layer is concerned with the movement of _______ over the physical medium. Select one: a. bits b. dialogs c. protocols d. programs
d. (1)
The physical, data link, and network layers are the ______ support layers. (1) network (2) user (3) both (1) and (2) (4) neither (1) nor (2) Select one: a. (2) b. (3) c. (4) d. (1)
b. Transport
The process-to-process delivery of the entire message is the responsibility of the _______ layer. Select one: a. Application b. Transport c. Physical d. Network
b. (1)
The session, presentation, and application layers are the ____ support layers. (1) user (2) network (3) both (1) and (2) (4) neither (1) nor (2) Select one: a. (2) b. (1) c. (3) d. (4)
a. OSI
The seven-layer _____ model provides guidelines for the development of universally compatible networking protocols. Select one: a. OSI b. IEEE c. ISO d. none of the above
d. port
The_____ address identifies a process on a host. Select one: a. specific b. IP c. physical d. port
a. transport
The_________ layer is responsible for the delivery of a message from one process to another. Select one: a. transport b. none of the above c. network d. physical
d. port
To deliver a message to the correct application program running on a host, the _______ address must be consulted. Select one: a. physical b. none of the above c. IP d. port
b. All the above
Which of the following is an application layer service? Select one: a. Mail service b. All the above c. Remote log-in d. File transfer and access
d. Standards were needed to allow any two systems to communicate
Why was the OSI model developed? Select one: a. The rate of data transfer was increasing exponentially b. Manufacturers disliked the TCP/IP protocol suite. c. None of the above d. Standards were needed to allow any two systems to communicate
a. UDP
_______ is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from the upper layer. Select one: a. UDP b. none of the above c. TCP d. IP
c. TCP
__________ provides full transport layer services to applications. Select one: a. ARP b. UDP c. TCP d. none of the above