Q31
Q31 What type of cable is used for most modern Ethernet networks?
Coaxial cable
Fiber optic cable
Twisted pair cable
None of the above
Q32
Q32 What does the term "full-duplex" mean in the context of Ethernet networking?
Data can be transmitted in one direction only
Data can be transmitted in both directions, but not simultaneously
Data can be transmitted in both directions simultaneously
None of the above
Q33
Q33 How does a switch determine the destination of an Ethernet frame?
By using the source IP address
By using the destination MAC address
By using the source MAC address
By broadcasting to all ports except the source
Q34
Q34 What mechanism do Ethernet switches use to avoid collisions?
Collision detection
Collision prevention
Collision avoidance
Collision management
Q35
Q35 Which feature distinguishes managed switches from unmanaged switches in an Ethernet network?
The ability to encrypt data
The ability to be configured and monitored
The use of optical fibers
The support for multiple protocols
Q36
Q36 Which command can be used to display the MAC address of a network interface on a Windows machine?
ipconfig /all
ifconfig
arp -a
netstat -e
Q37
Q37 On a Linux system, which command shows the MAC address of all network interfaces?
ip addr
ifconfig -a
route
netstat -i
Q38
Q38 How can you change the MAC address of a network interface on Linux?
Modifying the network configuration file
Using the ifconfig command
Using the macchanger tool
All of the above
Q39
Q39 If a device is not receiving an IP address via DHCP over Ethernet, what layer should be investigated?
Application
Presentation
Network
Data Link
Q40
Q40 A computer can access local network devices but not the internet.
What should be checked on the switch?
VLAN configurations
Port speed settings
Power settings
Firmware updates
Q41
Q41 What could be a reason for slow data transfer rates over an Ethernet network?
Faulty NIC
Cable length exceeds standards
Incorrect duplex settings
All of the above
Q42
Q42 What is the primary purpose of the Internet Protocol (IP)?
To provide error checking and correction
To ensure reliable data delivery
To route packets across networks
To format data packets
Q43
Q43 What type of messages are used by ICMP to inform senders of network issues?
Query messages
Error-reporting messages
Routing-update messages
Service-quality messages
Q44
Q44 Which IP protocol version uses 128-bit addresses?
IPv4
IPv6
ARP
RARP
Q45
Q45 How do routers utilize ICMP messages within the IP framework?
To encrypt data packets
To prioritize packets
To diagnose routing issues
To compress data packets
Q46
Q46 What is the main difference between IPv4 and IPv6?
Address size
Error detection mechanisms
Encryption capabilities
Transport layer integration
Q47
Q47 Which feature of IPv6 eliminates the need for NAT (Network Address Translation)?
Auto-configuration
Built-in encryption
The vast address space
Multicast
Q48
Q48 What is the function of an IP subnet mask?
To separate the network address from the host address
To encrypt IP addresses
To detect IP conflicts
To assign IP addresses automatically
Q49
Q49 In IPv6, what is the equivalent of ARP (Address Resolution Protocol) used in IPv4?
DHCPv6
ICMPv6
Neighbor Discovery Protocol (NDP)
IGMPv6
Q50
Q50 What mechanism does IPv6 use to ensure data integrity and authentication?
ESP (Encapsulating Security Payload)
AH (Authentication Header)
ICMPv6
RARP
Q51
Q51 How can you display the current IP configuration on a Unix/Linux system?
ipconfig
ifconfig
netstat -i
arp -a
Q52
Q52 Which command can you use to test IPv6 connectivity to an address?
ping6
tracert6
arp -6
ifconfig -6
Q53
Q53 What command provides detailed information about routes to an IPv6 address and discovers MTU along the path?
mtr
tracepath6
ip -6 route
netstat -r6
Q54
Q54 A computer can access IPv4 websites but not IPv6 websites.
What should be checked first?
IPv6 configuration on the computer
Router's IPv6 support
IPv6 DNS settings
Firewall settings for IPv6
Q55
Q55 You're unable to ping an IPv6 address from your machine.
What could be the issue?
Incorrect subnet mask
Firewall blocking ICMPv6 packets
Incorrect gateway
All of the above
Q56
Q56 How to resolve intermittent connectivity issues with an IPv6 network?
Replacing the router
Updating network drivers and firmware
Checking for IPv6 prefix delegation issues
All of the above
Q57
Q57 What is the primary purpose of routing protocols in a network?
To encrypt data
To compress data
To determine optimal data paths
To manage user permissions
Q58
Q58 Which type of routing algorithm does OSPF use?
Distance-vector
Link-state
Path-vector
Hybrid
Q59
Q59 What differentiates dynamic routing from static routing?
Dynamic routing is less secure
Static routing automatically updates
Dynamic routing automatically updates routes
Static routing is faster
Q60
Q60 In BGP (Border Gateway Protocol), what is the main factor in selecting the best path?
Path length
Bandwidth
Lowest cost
Number of AS hops
