Top 100 Cisco Certified Network Associate (CCNA) Courses and Q&A
Embarking on the journey to achieve Cisco Certified Network Associate (CCNA) accreditation unveils a comprehensive understanding of networking fundamentals, configuring and managing Cisco devices, and the ability to troubleshoot basic network issues.
Learning CCNA brings forth a wealth of advantages in the world of IT.
It serves as a solid foundation for aspiring network engineers, validating expertise in building, securing, and maintaining small to medium-sized networks.
CCNA certification holds immense value as it signifies proficiency in crucial networking concepts, including routing and switching protocols, network security principles, and the fundamentals of wireless technologies.
This certification not only enhances career prospects but also provides the practical skills needed to design, implement, and manage Cisco networks efficiently.
In today’s tech-driven world, where networks form the backbone of almost every organization, the knowledge gained through CCNA certification becomes invaluable for individuals aiming to excel in the realm of networking and IT infrastructure.
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Here are 20 multiple-choice questions (MCQs) related to Cisco Certified Network Associate (CCNA) along with their respective answers:
Which layer of the OSI model is responsible for logical addressing and routing?
A) Physical layer
B) Data Link layer
C) Network layer
D) Transport layer
Answer: C) Network layer
What is the purpose of ARP (Address Resolution Protocol)?
A) Resolving MAC addresses to IP addresses
B) Resolving hostnames to IP addresses
C) Establishing secure communication channels
D) Filtering network traffic
Answer: A) Resolving MAC addresses to IP addresses
Which routing protocol uses bandwidth and delay as its default metrics?
A) OSPF
B) RIP
C) EIGRP
D) BGP
Answer: B) RIP
Which type of VLAN is used to carry VLAN information between switches?
A) Data VLAN
B) Native VLAN
C) Management VLAN
D) Trunk VLAN
Answer: D) Trunk VLAN
What is the subnet mask for the IP address 192.168.1.0 with a Class C address?
A) 255.255.255.0
B) 255.255.0.0
C) 255.0.0.0
D) 255.255.255.255
Answer: A) 255.255.255.0
Which protocol is used for securely accessing a remote device?
A) FTP
B) Telnet
C) SSH
D) SNMP
Answer: C) SSH
What is the default administrative distance for static routes in Cisco routers?
A) 90
B) 100
C) 110
D) 120
Answer: B) 100
Which type of attack floods a network with ping requests?
A) Smurf attack
B) Spoofing attack
C) Ping of Death attack
D) DDoS attack
Answer: A) Smurf attack
What is the purpose of STP (Spanning Tree Protocol)?
A) Preventing routing loops
B) Determining the best path to a destination
C) Reducing network congestion
D) Preventing network loops in Ethernet networks
Answer: D) Preventing network loops in Ethernet networks
What is the primary function of a DHCP server?
A) Assigning static IP addresses
B) Translating domain names to IP addresses
C) Assigning dynamic IP addresses to devices on a network
D) Encrypting network traffic
Answer: C) Assigning dynamic IP addresses to devices on a network
Which command is used to display the routing table on a Cisco router?
A) show ip route
B) show route table
C) display routing
D) view ip routing
Answer: A) show ip route
What is the default encapsulation type for serial interfaces on Cisco routers?
A) HDLC
B) PPP
C) Frame Relay
D) Ethernet
Answer: A) HDLC
Which subnet does the IP address 172.16.45.23/20 belong to?
A) 172.16.0.0
B) 172.16.16.0
C) 172.16.32.0
D) 172.16.48.0
Answer: C) 172.16.32.0
Which protocol is used to automatically assign IP addresses to devices on a network?
A) DNS
B) DHCP
C) ARP
D) ICMP
Answer: B) DHCP
What is the maximum number of hosts in a /28 subnet?
A) 8
B) 16
C) 32
D) 14
Answer: B) 16
Which command is used to create a VLAN on a Cisco switch?
A) create vlan [vlan-id]
B) configure terminal
C) vlan [vlan-id]
D) interface vlan [vlan-id]
Answer: C) vlan [vlan-id]
Which layer of the OSI model is responsible for segmenting data into smaller frames?
A) Transport layer
B) Data Link layer
C) Network layer
D) Physical layer
Answer: B) Data Link layer
Which command is used to enable port security on a Cisco switch interface?
A) switchport security
B) enable port-security
C) port-security enable
D) switchport port-security
Answer: D) switchport port-security
What is the purpose of NAT (Network Address Translation)?
A) Assigning public IP addresses to devices
B) Encrypting network traffic
C) Translating private IP addresses to public IP addresses
D) Assigning static IP addresses
Answer: C) Translating private IP addresses to public IP addresses
Which protocol is used for routing packets between different networks?
A) ICMP
B) ARP
C) IP
D) TCP
Answer: C) IP
