CNA
Practice
Questions
Topics
Practice
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Study index
Topics
Topic counts come directly from the question collection.
Application Layer
View layer →
Client/Server vs P2P
5 questions
DNS
3 questions
HTTP
3 questions
Network Delay
6 questions
Protocol Design
1 question
SMTP
1 question
Socket / Port
1 question
Transport Layer
View layer →
Bandwidth-Delay Product
1 question
Congestion Control
5 questions
Flow Control
3 questions
Go-Back-N
1 question
Multiplexing / Demultiplexing
2 questions
Reliable Transport
6 questions
RTT / Timeout
1 question
Selective Repeat
1 question
TCP Connection
2 questions
Network Layer / IP
View layer →
CIDR
4 questions
Dijkstra
2 questions
Distance Vector
3 questions
Forwarding
2 questions
Fragmentation
1 question
IP Addressing
1 question
IPv4
2 questions
IPv6
4 questions
Link State
1 question
Network Troubleshooting
1 question
Subnetting
2 questions
Tunneling
1 question
Link Layer
View layer →
802.11
1 question
ALOHA
2 questions
ARP
2 questions
CRC
3 questions
CSMA/CD
5 questions
Error Detection
2 questions
MPLS
3 questions
Multiple Access
1 question
Parity
1 question
PPP
1 question
Spanning Tree Protocol
2 questions
Token Ring
1 question
ICMP / SNMP / Security
View layer →
Certificate
1 question
Digital Signature
1 question
Hash
2 questions
Nonce
1 question
Ping
1 question
Public Key Cryptography
1 question
Secure Email
1 question
SNMP
2 questions
Traceroute
1 question