OSI Model
Physical layer of the OSI model is also known as:
Layer 1
A command-line utility used for checking the reachability of a remote network host is called:
Ping
A network topology in which each node has a direct physical connection to every other node is called:
Mesh
Which term refers to permanent IP address assignment from a DHCP server?
Reservation
What is the typical cable segment length for a copper twisted-pair Ethernet cable?
100 meters
Which 2 protocols reside at the OSI transport layer?
TCP/UDP
A network command-line utility in Windows that tracks and displays the route taken by IPv4 packets on their way to another host is called:
tracert
A type of network connecting computers within a small geographical area such as a building or group of buildings is called:
LAN
A range of IP addresses that a DHCP server can lease out to DHCP clients is known as:
DHCP Scope
A type of coaxial connector commonly used for cable television and cable modems is called:
F Type Connector
Which OSI layer is responsible for opening, closing, and maintaining connections between applications?
Session Layer
The arp command can be used to perform what kind of resolution?
IP to MAC
Which type of network topology provides the highest level of redundancy?
Mesh
The duration of time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred to as:
Lease
Which modular network device is designed to provide a seamless link between different types of network interfaces?
Bridge
Data format translation, data compression, and data encryption/decryption take place at the:
Presentation Layer/Layer 6
Which command-line utility provides unencrypted access to a command-line interface on a remote host?
telnet
Which network topology uses a central connecting point to which all network devices are connected?
Star
To connect to a website and display its contents, a URL entered in the web browser address bar needs to be translated into an IP address. Which type of server handles this type of request?
DNS Server
Which cable type is commonly used for long-distance data transmission and is often used in WAN connections?
Fiber Optic
In the OSI model, the layer 2 Protocol Data Unit is called:
Frame
What is the name of a Linux command-line utility that can be used to display TCP/IP configuration settings?
ifconfig
A computer network connecting multiple LANs over an area of a city is referred to as:
MAN
What network service provides centralized authentication, authorization, and accounting management?
RADIUS
Which Ethernet switching feature is used to prevent loops in a network topology?
Spanning Tree Protocol