Fundamentals Networking Tech Chapter 8

You have been tasked with the creation and design of a network that must support a minimum of 5000 hosts. Which network accomplishes this goal? a.172.20.50.0/23b.192.168.0.0/20c.10.3.0.0/19d.10.90.0.0/22

10.3.0.0/19

On a Cisco switch, what would the security association identifier be for VLAN 13? a. 100013 b. 1000130 c. 1013 d. 5013

100013

On a Cisco switch, what would the security association identifier be for VLAN 13? a. 1000130 b. 100013 c. 1013 d. 5013

100013

On a Cisco switch, what would the security association identifier be for VLAN 13? a.1013 b.5013 c.1000130 d.100013

100013

A network with 10 bits remaining for the host portion will have how many usable host addresses? a.4192 b.2046 c.510 d.1022

1022

An IP address of 192.168.18.73/28 has what network ID? a.192.168.18.64 b.192.168.18.32 c.192.168.18.0 d.192.168.16.0

192.168.18.64

What subnet mask can be used to segment the 172.16.0.0 network to allow for a minimum of 6 subnets while maximizing the number of hosts per subnet? 255.255.128.0 b. 255.255.192.0 c. 255.255.224.0 d. 255.255.248.0

255.255.224.0

What subnet mask can be used to segment the 172.16.0.0 network to allow for a minimum of 6 subnets while maximizing the number of hosts per subnet? a.255.255.248.0 b.255.255.224.0 c.255.255.192.0 d.255.255.128.0

255.255.224.0

How many /64 subnets can be created within a /56 prefix? a. 2048 b. 512 c. 1024 d. 256

256

How many /64 subnets can be created within a /56 prefix? a.256b.1024c.512d.2048

256

How large is the 802.1Q tag that is added to an Ethernet frame when using VLANs? a. 4 bytes b. 12 bytes c. 20 bytes d. 8 bytes

4 bytes

How large is the 802.1Q tag that is added to an Ethernet frame when using VLANs? a.8 bytes b.4 bytes c.20 bytes d.12 bytes

4 bytes

What is the maximum number of host IP addresses that can exist in a Class B network? a. 32,766 b. 8190 c. 1022 d. 65,534

65,534

How many subnets can a /48 site prefix support? a.65,536 subnetsb.131,072 subnetsc.256 subnetsd.16384 subnets

65,536 subnets

What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information? a.802.1V b.802.1c c.802.1d d.802.1Q

802.1Q

Which of the following suggestions can help prevent VLAN hopping attacks on a network? a. Disable auto trunking and move native VLANs to unused VLANs. b. Install a router to process the untagged traffic on the VLAN. c. Use MAC address filtering. d. Install an additional switch to isolate traffic.

Disable auto trunking and move native VLANs to unused VLANs.

A native VLAN mismatch occurs when two access ports that are connected to each other are both tagging traffic with different VLAN IDs. True False

False

All that is needed to provide communication between two VLANs is a DHCP relay agent. True False

False

An unmanaged switch can still support the creation of VLANs, provided there is an interface for configuration. True False

False

Network segmentation decreases both performance and security on a network. True False

False

Network segmentation decreases both performance and security on a network. True False

False

Only Class B and Class C networks can be subnetted. True False

False

When an 802.1Q tag is added to an Ethernet frame, where is it placed? a. It is inserted between the preamble and the destination address. b. It is inserted between the source address and the Ethernet type field. c. It is inserted between the destination and the source addresses. d. It is appended to the end of the frame.

It is inserted between the source address and the Ethernet type field.

When an 802.1Q tag is added to an Ethernet frame, where is it placed? a.It is inserted between the source address and the Ethernet type field. b.It is inserted between the preamble and the destination address. c.It is appended to the end of the frame. d.It is inserted between the destination and the source addresses.

It is inserted between the source address and the Ethernet type field.

With VTP, where is the VLAN database stored? a. On the router responsible for maintaining the VTP database. b. On the switch that is known as the stack master. c. On the designated VLAN server for the network. d. On the switch that is configured as the trunk root.

On the switch that is known as the stack master.

If the EUI-64 standard is used, what part of an IPv6 address is affected? a.The last four blocks of the address.b.The middle four blocks of the address.c.All blocks of the address are affected.d.The first four blocks of the address.

The last four blocks of the address.

In an IPv6 address, what do the first four blocks or 64 bits of the address represent? a.The broadcast domain for the configured host ID b.The usable host portion of the network. c.The site prefix or global routing prefix. d.The MAC address of the router assigning the host ID.

The site prefix or global routing prefix.

A /24 CIDR block is equivalent to a 255.255.255.0 subnet mask. True False

True

IPv6 addressing does not utilize classful addressing, therefore every IPv6 address is classless. True False

True

In order to identify the transmissions that belong to each VLAN, a switch will add a tag to Ethernet frames that identifies the port through which they arrive at the switch. True False

True

Network segmentation at Layer 2 of the OSI model is accomplished using VLANs. True False

True

When dealing with a Cisco switch, what is NOT one of the pre-established VLANs? a.VLAN 1003 b.VLAN 1001 c.VLAN 1005 d.VLAN 1

VLAN 1001

On certain Cisco products, what command can be used to create and send helper messages that support several types of UDP traffic, including DHCP, TFTP, DNS, and TACACS+? a.ip create helper server b.ip new helper c.ip helper-address d.set ip helper address

ip helper-address

Subtracting an interesting octet value from 256 yields what number? a. host ID b. network ID c. subnet ID d. magic number

magic number

Which of the following terms is commonly used to describe a VLAN configuration in which one router connects to a switch that supports multiple VLANs? a.router overloading b.router-on-a-stick c.branched router d.router-on-a-branch

router-on-a-stick

What command will set the native VLAN on a Juniper switch port? a. set native-vlan-id b. switchport set native vlan c. switchport trunk native vlan d. config native vlan

set native-vlan-id

What command will set the native VLAN on a Juniper switch port? a.config native vlan b.switchport trunk native vlan c.set native-vlan-id d.switchport set native vlan

set native-vlan-id

You are working on a Cisco switch and need to learn what VLANs exist on the switch. Which command will list the current VLANs recognized by the switch? a. show vlan b. show vlandb c. list switch-vlans d. get vlans

show vlan