Lesson 1
True or False: Fiber optic cables transmit data using light.
True
Which IPv4 communication type is one-to-one?
Unicast
What does the LAN Extension Module (LEM) consist of?
1 x 48-port PoE switch and integrated UPS
What is the maximum effective range of an UTP cable?
100 Meters
What happens if a NIC link light is off entirely?
The NIC is bad or disconnected
Which type of diagram represents cabling and physical connections?
Physical Topology
What was the primary use of Class A IP addresses in legacy routing?
Very Large Networks
Which module is designed to be lightweight and field-deployable?
WSM-X
Which cable type provides the best protection from EMI and RFI?
STP
Which software is most commonly used in the Marine Corps to create network diagrams?
Microsoft Visio
What are the four layers of the TCP/IP model
Application
Transport
Internet
Network Access
Which system ensures unique device identification within a local network?
MAC addressing
What is the primary function of the Mobile Broadband Kit (MBK)?
Connects to cell towers for quick connectivity
What is a common issue caused by poor cable termination?
Exposed copper strands leading to inoperability
What does ICMP stand for?
Internet Control Message Protocol
Which OSI layer determines the best path for data to travel?
Network
What is the binary representation of the second octet in the address 192.168.53.82?
10101000
Which SATCOM device is small, portable, and deployable in 15 minutes?
MCWS-X
Which type of fiber cable uses a large core and inexpensive LED transmitters?
MMF
In a physical diagram, what information is found in the left-side site box?
Physical interfaces, device names, IPs, and site details
What does the Session Layer manage in the OSI model?
Establishing and terminating sessions
What characters are used in hexadecimal notation?
0-9 and A-F
Which of the following are capabilities of CDN/DDS-M?
Email, file sharing, video conferencing
What is the overall purpose of learning about network media in the Marine Corps Network Administrator Course?
To build the fundamentals for physically setting up networks
Who typically develops the official Marine Corps network diagram for a field environment?
Network Chief or Network Engineering Officer