Data Communications Chapter 1-3
A policy in which all exit doors for a building stay unlocked during a fire is an example of what
type of policy? - ANS-fail-open
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? - ANS-Network
HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the
OSI model? - ANS-Layer 7
In a domain, the process of allowing a user to sign on to the network from any computer on the
network and get access to resources is managed by what service? - ANS-Active Directory
Domain Services (AD DS)
The Presentation layer of the OSI model is responsible for reformatting, compressing, and/or
encrypting data in a way that the Application on the receiving end can read - ANS-True
In the TCP/IP model, what layer is considered so simple that it is ignored entirely? -
ANS-Physcial
The Data Link Layer utilizes what name for its protocol data unit (PDU)? - ANS-frame
The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted
transmissions? - ANS-Remote Desktop Protocol (RDP)
The proper handling procedures for substances such as chemical solvents is typically outlined
in which of the following options? - ANS-Material Safty Data Sheet (MSDS)
What federal agency is charged with safety and health in the workplace? - ANS-OSHA
What is assigned to each node on a network, which is then used by the Network layer to
uniquely identify the node? - ANS-IP address
What is the most popular web server application? - ANS-Apache
What mail protocol is used to send mail messages to a server?- ANS-SMTP
What statement accurately reflects what occurs when a message is too large on a network? -
ANS-The message is divided into smaller messages called segments (for TCP) or datagrams
(for UDP).
A policy in which all exit doors for a building stay unlocked during a fire is an example of what
type of policy? - ANS-fail-open
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? - ANS-Network
HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the
OSI model? - ANS-Layer 7
In a domain, the process of allowing a user to sign on to the network from any computer on the
network and get access to resources is managed by what service? - ANS-Active Directory
Domain Services (AD DS)
The Presentation layer of the OSI model is responsible for reformatting, compressing, and/or
encrypting data in a way that the Application on the receiving end can read - ANS-True
In the TCP/IP model, what layer is considered so simple that it is ignored entirely? -
ANS-Physcial
The Data Link Layer utilizes what name for its protocol data unit (PDU)? - ANS-frame
The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted
transmissions? - ANS-Remote Desktop Protocol (RDP)
The proper handling procedures for substances such as chemical solvents is typically outlined
in which of the following options? - ANS-Material Safty Data Sheet (MSDS)
What federal agency is charged with safety and health in the workplace? - ANS-OSHA
What is assigned to each node on a network, which is then used by the Network layer to
uniquely identify the node? - ANS-IP address
What is the most popular web server application? - ANS-Apache
What mail protocol is used to send mail messages to a server?- ANS-SMTP
What statement accurately reflects what occurs when a message is too large on a network? -
ANS-The message is divided into smaller messages called segments (for TCP) or datagrams
(for UDP).
