CISCO Certified CCNA Exam by Gaurav Sharma

What is the name of the protocol used for secure communication over the internet?

SSL/TLS

HTTP

FTP

SMTP

Which layer of the OSI model is responsible for routing and forwarding packets?

Physical Layer

Data Link Layer

Network Layer

Transport Layer

Which of these is not a type of cable commonly used in networking?

Coaxial Cable

Fiber Optic Cable

Ethernet Cable

HDMI Cable

Which of these is not a common wireless encryption standard?

WEP

WPA

WPA2

AES

Which of these is not a valid IP address?

192.168.0.1

10.0.0.256

172.16.0.1

127.0.0.1

Which of these is not a type of network device?

Router

Switch

Hub

Firewall

Which of these is not a valid subnet mask?

255.0.0.0

255.255.0.0

255.255.255.128

255.255.255.0

Which of these is not a common routing protocol?

OSPFv2

EIGRP

RIPng

SMTP

Which of these is not a layer of the TCP/IP model?

Application Layer

Transport Layer

Network Layer

Physical Layer

Which of these is not a valid IPv6 address format?

2001:db8::1

::ffff:192.168.0.1

fe80::1

::1

Which of these is not a common port number?

22 (SSH)

80 (HTTP)

12345

443 (HTTPS)

What is the default subnet mask for a Class C IP address?

255.0.0.0

255.255.0.0

255.255.255.0

255.255.255.255

15. Which of these is not a valid MAC address format?

00:11:22:33:44:55

01-23-45-67-89-ab

aa-bb-cc-dd-ee-ff

ff:ff:ff:ff:ff:ff

Which of these is not a type of network cable connector?

RJ45

BNC

VGA

LC

Which of these is not a common wireless frequency band?

2.4 GHz

5 GHz

900 MHz

60 GHz

Which of these is not a common network topology?

Mesh

Star

Tree

Square

What is the maximum number of hosts that can be addressed on a /16 subnet?

256

512

1024

65536

Which of these is not a valid IPv4 address format?

192.168.0.1

10.0.0.256

172.16.0.1

127.0.0.1

Which of these is not a common routing metric?

Hop count

Bandwidth

Delay

Temperature

Which of these is not a layer of the OSI model?

Application Layer

Transport Layer

Data Link Layer

Physical Layer

Which of these is not a common network device?

Router

Switch

Hub

Firewall

Which of these is not a valid subnet mask?

255.0.0.0

255.255.0.0

255.255.255.128

255.255.255.0

Which of these is not a common wireless encryption standard?

WEP

WPA

WPA2

AES

What is the maximum number of hosts that can be addressed on a /8 subnet?

256

512

1024

16777216

Which of these is not a type of network topology?

Star

Bus

Ring

Square

Which layer of the OSI model is responsible for error detection and correction?

Physical Layer

Data Link Layer

Transport Layer

Presentation Layer

Which of these is not a common port number?

22 (SSH)

80 (HTTP)

12345

443 (HTTPS)

Which of these is not a valid IPv6 address format?

2001:db8::1

::ffff:192.168.0.1

fe80::1

::1