0631 Mos Usmc
102 questions across 0 topics. Use the find bar or section chips to jump to what you need.
Network
A collection of computers, servers, mainframes, network devices, peripherals, or other devices connected to one another to allow the sharing of data
Network Administrators are responsible for installing, operating and maintaining local area networks and wide area networks to enable command and control. T/F
True
What MOS is given to a Gunnery Sergeant Networking Marine?
0639
The 0631 MOS is a prerequisite for the 0633 MOS. T/F
True
Where in the MAGTF would you find an 0630?
Marine Division, MEF
What are the names of modular devices within the USMC Data Distribution System?
LSM, WSM, LEM
UPS
An electrical apparatus that provides emergency power to a load when the input power source or mains power fails
Motherboard
The main printed circuit board found in general purpose computers and other expandable systems. It holds, and allows, communication between many of the crucial electronic components of a system
NIC
Component that allows a computer to connect to a network
SSD
Computer storage device that uses integrated circuit assemblies as memory to store data persistently, typically using flash memory
CPU
The "brain" of a computer, where data manipulation actually takes place
ROM
A type of memory where data has been prerecorded. Non-Volatile
GPU
Responsible for rendering the image on the computer's monitor or display screen
Server
Computer or computer program which manages access to a centralized resource or service in a network
HDD
Computer storage device containing magnetic disks or platters rotating at high speeds. It is a secondary storage device used to store data permanently
RAM
Where programs, operating systems and data that's currently being used is stored so that the processor can retrieve it quickly, volatile
A Computer is an electronic device that manipulates information, or data. T/F
True
The 3 stages of computing are
Input, Processing, Output
Name the parts of a network
Rules Messages Medium Devices
Intranet
A set of networks that are under the control of a single administrative entity who only allows authorized users access. It is based on the networking technologies of the Internet Protocol Suite
LAN
Any network linking two or more computer and related devices within a limited geographical area
WAN
Interconnects Two or More Networks over a geographic distance
Internet
A global system of interconnected governmental, academic, corporate, public, and private computer networks. It is based on the networking technologies of the Internet Protocol Suite
The Principles of Security are Confidentiality, Integrity and Availability T/F
True
The Acronym "SIPRNet" stands for the Secure Internet Protocol Router Network True/False
False
What is the DoD Information Network?
The globally interconnected, end-to-end set of information capabilities, associated processes, and personnel for collecting, processing, storing, disseminating and managing information on demand for warfighters, policy makers, and support personnel
The concept of Convergence allows us to send voice, video and data over the same infrastructure T/F
True
What are the Protocols used by Layer 4: Transport Layer?
TCP/UDP
The TCP/IP Model has 7 layers T/F
False
Transport
Packages data into segments in order to send and receive information across the network
Physical
Represents the infrastructures such as cables or radios that interconnect the network
Application
Provide services to the software running on the computer
Data Link
Transfers data between adjacent network nodes in a wide area network (WAN) or between nodes on the same local area network (LAN)
How many types of CORE module cases are there in the DDS-M?
6
CSM
For signal conversion, transmission security and contains the serial IP server
LSM
For local and wide area network connections, provide timing for network devices and VOIP services provided by router
LEM
To extend LAN connections. DDS comes with 4 of these modules
ASM
To provide network services to end users such as exchange and print services
DSM
To provide network storage
CM
To provide access to configure and troubleshoot components within the DDS-M
WSM
To provide networking functions to the DDS-M
IAM
To provide High Availability Firewalls, Intrusion Prevention System, Intrusion Detection System
MDM
To provide audio/video media creation, capture, & streaming via MPEG2 & MPEG4 formats
MCM
To provide secure and non-secure audio and video conferencing
ESM
To provide core Router/Layer 3 Switch Capability in a modular design
PM
Provides battery backup for modules without an integrated UPS
Every Infantry Battalion receives four DDS-Ms, (One for NIPR, One for SIPR, One for a Coalition Network and One for MCEN) T/F
False
The POP3 Protocol was designed on the assumption that most users would have a high bandwidth, consistent internet connection T/F
False
SIPRNet uses DHCP T/F
False
List the advantages of IMAP over POP3
Connected and Disconnected modes, Multiple simultaneous clients, Message state information stored on server, Server side searches
What is the Application Layer?
Contains the communications protocols and interface methods used by hosts in a communications network
FTP
Standard Network Protocol used for the transfer of computer files between a client and server on a computer network
HTTP
The foundation of data communication for the World Wide Web
POP3/IMAP
Provides access for a user client application to a mailbox maintained on a mail server
DHCP
Network management protocol used on IP networks whereby a server dynamically assigns an IP Address and other network configuration parameters to each device on a network
SMB
Network communication protocol for providing shared access to files, printers, and serial ports between nodes on a network
DNS
Used to resolve fully qualified internet domain names (also known as Uniform Resource Locators, or URLs) into internet protocol (IP) addresses
SSH
Provides a secure channel over an unsecured network in a client-server architecture
Telnet
Provides access to a Command Line Interface (CLI) on a remote host
Peer-to-Peer Networks are notoriously difficult to set up and require consistent maintenance T/F
False
UDP uses a Three-way Handshake to initiate a connection T/F
False
There are 65,535 possible ports available to the Transport Layer T/F
True
4 common applications/protocols that primarily utilize TCP over UDP
POP3/IMAP HTTP/HTTPS Chat FTP
What Port Number is used by IMAP?
143
Which Network Device is the PRIMARY USMC DDS-M device used at the Network Layer?
WSM
IP Routing Protocol
Aids routers by dynamically learning about the IP address groups so that the router knows were to route IP packets so that they go to the right destination host
IP Routing
The process of hosts and routers forwarding IP packets, while relying on the underlying LANs and WANs to forward the bits.
IP Addressing
Used to identify a packet's source and destination host computer. These rules also organize addresses into groups, which greatly assist the routing process
What is the purpose of the TCP/IP Network Layer?
Defines how to deliver IP packets over the entire trip, from the original device that creates the packet to the device that needs to receive the packet
What are the 3 types of routes that can populate a routing table?
Directly connected, Static, Dynamic
USMC networks have star physical topologies and ring logical topologies T/F
False
Frames sent to a Multicast Ethernet address will be copied and forwarded to ________________.
a subset of devices on the Ethernet LAN that volunteers to receive frames sent to a specific address
The layer two PDU is known as a
Frame
The computer builds its MAC address table using a process called Address Resolution Protocol (ARP). T/F
False
Select a device that operates at the datalink layer.
Switch
What is the Maximum distance for any UTP Copper Cabling?
100m
Bandwidth
Theoretical network performance
Throughput
Actual performance network
Goodput
Measure of the transfer of usable data
What are the types of Twisted Pair cables?
Rollover, Crossover, Straight-through
3 Kinds of ports
Well-known Registered Private
Telnet port
Port 23
HTTP port
Port 80
SSH port
22
DNS port
53
HTTPS port
443
DHCP port
67/68
POP3
110
IMAP port
143
FTP port
20-21
3 Types of networking ports and their ranges
Well known ports (0-1023) Registered ports (1024 - 49151) Private/dynamic ports (49152 - 65535)
2 kinds of network architecture are
Client/server and peer to peer
IP Subnet
Designated group of IP addresses in an IP
ARP (Address Resolution Protocol)
Creates MAC routing table
3 Types of switches
LSN, LEM, ESM
What is the most common CIDR notation for a WAN point-to-point connection?
/30
What is the purpose of VSLM?
To support more efficient use of IP Address space
What is the CIDR Notation for a subnet mask of 255.255.255.128?
/25
How many hosts can their be on a /26?
62
If I am planning a subnet for a site with 70 computers, what size subnet do I need to allocate?
/25
Operating system
Interface between applications and hardware
CLI (Command Line Interface)
Text-based application interface used for entering commands
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