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WorksheetsNetworking and IT Fundamentals Quiz
Total questions: 27
Worksheet time: 14mins
What does service password-encryption do?
Encrypts traffic
Encrypts stored passwords
Enables SSH
Encrypts startup-config
RAM stores:
Startup configuration
Running configuration
IOS permanently
Bootstrap code
NVRAM stores:
Running config
Startup config
IOS
ARP table
ROM contains:
Startup-config
Running-config
Bootstrap and POST
Interface configs
IPv4 addresses are:
64 bits
128 bits
32 bits
16 bits
IPv6 addresses use:
Decimal
Binary
Hexadecimal
Octal
What skill is required for this exam?
MAC filtering
Decimal-to-binary conversion
Packet sniffing
Encryption
TCP provides:
Faster transmission
No error checking
Reliable, ordered delivery
Broadcast only
UDP is best for:
File transfers
Streaming and VoIP
Authentication
DNS is used to:
Assign IPs
Resolve MAC addresses
Translate domain names
Encrypt traffic
ARP resolves:
Hostnames to IPs
IPs to MAC addresses
Ports to protocols
Frames to packets
SLAAC is used with:
IPv4
TCP
IPv6
UDP
How many layers are in the OSI model?
4
5
6
7
Which OSI layer handles encapsulation into frames?
Network
Transport
Data Link
Physical
What PDU belongs to the Network layer?
Bits
Frames
Packets
Segments
During de-encapsulation, data moves:
Physical → Application
Application → Physical
Network → Transport
Data Link → Physical
A default gateway is:
A switch
A firewall
A router interface
A DNS server
Latency refers to:
Data speed
Data size
Delay
Error rate
Goodput measures:
Total bandwidth
Raw speed
Useful data delivered
Cable quality
Which cable automatically adjusts transmit/receive pairs?
Straight-through
Crossover
Rollover
Auto-MDI-X
Which cable connects PC to switch?
Rollover
Crossover
Straight-through
Fiber
Which cable is used for console access?
Fiber
Crossover
Straight-through
Rollover
Which cable supports the longest distance?
Cat5e
Cat6
Copper
Fiber optic
Single-mode fiber is best for:
Short distances
LANs
Long-distance WANs
Home networks
Wi-Fi uses which IEEE standard?
802.3
802.11
802.15
802.16
Bluetooth uses:
802.11
802.15
802.16
802.3
IoT devices commonly use:
Fiber only
Copper only
Wireless signals
Satellite only
