Network+ 1-4

Which of the following is a characteristic of a mesh network topology?

• • All devices connect to a central hub.

• • Devices are connected in a linear sequence.

• • Multiple links between different hubs for redundancy.

• • A single cable runs through each device.

What is the maximum transmission unit (MTU) size for Ethernet?

• • 1480 bytes

• • 1500 bytes

• • 1600 bytes

• • 1400 bytes

What type of attack involves overwhelming a system with traffic to cause a denial of service?

• • Phishing

• ARP Poisoning

• Spam

• • DoS

What is the purpose of using subnetting?

• • To reduce the number of IP addresses available.

• • To divide a network into smaller, manageable pieces.

• • To increase the speed of the network.

• • To eliminate the need for routers.

What protocol uses port 23?

(a)  

What does NAT stand for?

• Network Address Translation

• Network Allocation Table

• Network Application Transition

• Name Authentication Translation

You that access to a switch at a remote site is only available through out-of-band management. Which of these would apply to this configuration?

• • File transfers must use FTPS

• • You will need an SSL VPN to access the switch

• • All access is provided over a serial connection

• • A browser with HTTPS is used for management

You have identified two devices on the network with duplicate IP addresses. Which layer of the OSI model would best represent this issue?

• • Layer 4

• • Layer 2

• • Layer 1

• • Layer 3

What is STP?

(a)  

What is used to inform you about overlapping bands or bad wireless areas at your office?

• Logical network diagram

• Wiring diagram

• Remote AP report

• Site survey report

• Business continuity plan