Chapter 8 -- Network II

A network with a CIDR notation of /26 would have what subnet mask? A) 255.255.255.0 B) 255.255.255.192 C) 255.255.255.224 D) 255.255.255.240

A network with 10 bits remaining for the host portion will have how many usable host addresses? A) 510 B) 1022 C) 2046 D) 4192

An interface that manages traffic from multiple VLANs is known by what term? A) access port B) aggregation port C) trunk port D) egress port

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

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 switch that is configured as the trunk root. D) On the designated VLAN server for the network.

What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information? A) 802.1c B) 802.1Q C) 802.1V D) 802.1d

In an IPv6 address, what do the first four blocks or 64 bits of the address represent? A) The usable host portion of the network. B)The site prefix or global routing prefix. C) The broadcast domain for the configured host ID. D) The MAC address of the router assigning the host ID.

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) set ip helper address D) ip helper-address

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 destination and the source addresses. C) It is inserted between the source address and the Ethernet type field. D) It is appended to the end of the frame.

How large is the 802.1Q tag that is added to an Ethernet frame when using VLANs? A) 4 bytes B) 8 bytes C) 12 bytes D) 20 bytes

On a Cisco switch, what would the security association identifier be for VLAN 13? A) 1013 B) 5013 C) 100013 D) 1000130

What command will set the native VLAN on a Juniper switch port? A) switchport trunk native vlan B) switchport set native vlan C) config native vlan D) 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) get vlans B) show vlan C) list switch-vlans D) show vlandb

Given a host IP address of 172.16.1.154 and a subnet mask of 255.255.254.0, what is the network ID for this host? A) 172.16.0.0 B) 172.16.1.0 C) 172.16.2.0 D) 172.0.0.0

What is the maximum number of host IP addresses that can exist in a Class B network? A) 1022 B) 8190 C) 32,766 D) 65,534

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-on-a-stick B) branched router C) router overloading D) router-on-a-branch

When dealing with a Cisco switch, what is NOT one of the pre-established VLANs? A) VLAN 1 B) VLAN 1001 C) VLAN 1003 D) VLAN 1005

A subnet of 255.255.248.0 can be represented by what CIDR notation? A) /18 B) /20 C) /21 D) /29

When using IPv6, what would a /64 network likely be assigned to? A) A regional Internet registry. B) A large Internet service provider. C) A very large organization. D) A smaller organization or business.

What does the VLAN Trunk Protocol (VTP) do? A) It shares trunking information amongst switches that participate. B) It shares VLAN database information amongst switches that participate. C) It is the protocol used by a trunk port for establishing a trunk with another switch. D) It is the protocol that defines how VLAN tagging is accomplished in an Ethernet network.