Networking Fund dxd day 4

Your manager is looking to reduce unnecessary broadcast traffic on the network by carrying out logical segmentation

inside a switch. Which of the following technologies should be implemented to achieve this?

• VLAN

• VTPP

• HUB

• SSL

Answer explanation

Explanation: Virtual Local Area Networks (VLANs) provide network segmentation services traditionally

provided by routers, offering a simple and cost-effective method of logically reducing broadcast traffc

(improving bandwidth performance) and enhancing security through logical separation (virtual boundaries)

between devices. [OD 1.3]

Which of the following dynamic routing protocols supports a maximum of 15 hops?

• OSPF

• RIP

• EIGRP

• BGP

A network technician is tasked with troubleshooting intermittent network connectivity issues due to incorrect IP addressing.

Which of the following could be causing the issues?

• Phishing

• MAC filtering

• Exhausted DHCP scope

• NIC teaming

Which of the following topologies offers better fault tolerance?

• Mesh

• Ring

• Star

• Bus

Which of the following devices can be used as a default gateway?

• Hub

• Layer 2 switch

• Repeater

• Router or Layer 3 switch

Which of the following services is used to translate a private IPv4 address into a public IPv4 address?

• Dynamic Host Configuration Protocol (DHCP)
• Network Address Translation (NAT)
• Virtual Private Network (VPN)
• Internet Protocol Security (IPsec)

How many bits are there in an IPv4 address?

• 32
• 16
• 64
• 128

Which of the following would BEST describe a Metropolitan Area Network (MAN) type?

• Group of LANs connected to provide global networks

• Networks connected within the same region.

• A local network used to connect wireless devices.

• A local network used to connect Bluetooth devices.

Which of the following types of communication is sent to a single designated host?

• Unicast

• Multicast

• Broadcast

• Anycast

Which of the following ipconfig command switches is used to clear DNS cache on a local system?

• /renewdns

• /resetdns
• /flushdns
• /cleardns