TCP/IP Troubleshooting Exam
Drag the correct IP range to each Class
0.0.0.0 – 127.255.255.255
128.0.0.0 – 191.255.255.255
192.0.0.0 – 223.255.255.255
224.0.0.0 – 239.255.255.255
240.0.0.0 – 255.255.255.255
Class
IP Range
Class A
Class B
Class C
Class D
Class E
TCP/IP Troubleshooting MCQs
A host cannot ping its default gateway. Which layer is most likely the problem?
Network Access Layer
Transport Layer
Application Layer
Presentation Layer
The Network Access Layer handles connectivity to local network devices.
A TCP connection fails to establish. Which process is involved?
3-way handshake
ARP request
DNS lookup
ICMP echo
TCP requires a 3-way handshake to establish a session.
Which protocol is connectionless and faster than TCP?
UDP
TCP
HTTP
FTP
UDP does not guarantee delivery, making it faster.
Which device operates at the data link layer?
Switch
Router
Hub
Firewall
Switches forward frames using MAC addresses.
Which protocol is used to send emails?
SMTP
FTP
DNS
HTTP
SMTP is responsible for sending emails.
0 Comments