3DX5X VOL2 UNIT 1
Card Set Information
3DX5X VOL2 UNIT 1
Cyber Career Field
What layer of the OSI model defines the electrical, mechanical, procedural, and functional specifications for links between communicating network systems?
The IEEE divide the OSI Data Link Layers into what two sublayers?
Logical Link Control and Media Access Control
At what OSI layer do network switches and bridges operate?
At what OSI layer do routers operate?
At what OSI layer are common data compression and encryption schemes used?
What OSI layer is closest to the end user?
What is a formal set of rules and conventions that govern how computers exchange information over a network medium?
What topology defines the layout of a network's devices and media?
What topoogy defines the way in which devices communicate, and data is transmitted, throughout the network?
What topology consists of devices connected to a common shared cable?
What topology consists of cable segments from each computer connected to a centralized component?
What topology combines two or more different physical topologies in a single network?
Which network protocol has the DOD chosen as its standard to govern the flow of information?
Transport Control Protocol/Internet Protocol (TCP/IP)
What TCP/IP network layer protocol provides the IP address for a device that knows its own MAC address?
Reverse Address Resolution Protocol
What TCP/IP network layer protocol provides messaging that can help with troubleshooting?
Internet Control Message Protocol
What TCP/IP transport layer protocol provides reliable data delivery services?
Transmission Control Protocol
What application within TCP/IP is used to send and receive files via TCP?
File Transfer Protocol
What type of network connects networks that are typically separated by geographical distances between cities, states, countries, or around the world?
What type of network makes use of tunneling and security protocols to enable a group of two or more computer systems to communicate over the public Internet?
Which is a common port that contains HTTP servers and proxies?
Port 8080 ??
What TCP/IP netowkr layer protocol provides the service of matching a known IP address for a destination device to a Media Access Control address?
Address Resolution Protocol
How many bits are in an IPv4 address?
Instead of using binary, how are IPv4 addresses expressed to be more user-friendly?
Dotted Decimal Notation
Using a range of 1-126 in the first octet of an IPv4 address, what class does it belong to?
What IPv4 class address is used for networks with about 250 nodes?
What IPv4 class address is used for multicast addressing?
What IPv4 reserved address is used for loop back?
What is a mechanism that allows a network device to divide an IP address into a network and host number?
What is the default classful subnet mask on class B networks?
What method borrows bits from the host field of a IP address to create a subnet?
Classles Inter-Domain Routing
Instead of using binary, how are IPv6 addresses expressed to be more user-friendly?
Colon Hexadecimal Format.
What notation is expressed in leading zero compression for IPv6?
What notation is expressed in zero comression for IPv6?
What Unicast address scope operates within a network segment, and will not originate from, or be destined to, an interface that requires a router to direct traffic?
What Unicast address scope is designed to be private, internally routable addresses that do not route outside the site?
What Unicast address scope is publicly accessible with the Network ID portion of the address broken up into different areas allowing for hierarchical design and allocation?