ch 8
in an IPv6 address, what do the first four blocks or 64 bits of the address represent?
the site prefix or global routine prefix
which of the following is not a good reason to segment a network?
to increase the number of networking devices on a network
an interface that manages traffic from multiple VLANS is known by what term?
trunk Port
what virtual, logically defined device operates at the data link layer to pass frames between nodes?
virtual switch
what IEEE standard specifies how VLAN information appears in frames and how switches interpret that information?
802.1Q
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+?
Ip helper-address
which remote access protocol is used over an Ethernet network?
PPPoE
which cloud computer service model gives footwear developers access to multiple operating systems for testing?
PaaS
which remote fill access protocol is an extension of SSH?
SFTP
when doing with a Cisco switch, what is NOT one of the pre-established VLANs?
VLAN 1001
which hexadecimal block in an IPv4 address is used for the subnet ID?
the 4th one
which of the following statements regarding IPv6 subletting is NOT accurate?
the largest IPv6 subnet capable of being created is a /64
if the EUI-64 standard is used, what part of an IPv6 address is affected?
the last four blocks of the address
a subnet of 255.255.248.0 can be represented by what CIDR notation?
/21
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?
10.3.0.0/19
on a Cisco switch, what would the security association identifier be for VLAN 13?
100013
a network with 10 bits remaining for the host portion will have how many usable host address?
1022
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?
172.16.0.0
an IP address of 192.168.18.73/28 has what network ID?
192.168.18.64
by default, when using classful addressing, how many bits exist in the host portion of a Class A address?
24
how many bits of a class A IP address are used for host information?
24 bits
how many /64 subnets can be created within a /56 prefix?
256
which formulas can be used to calculate the magic number?
256 - the interesting octet & 2h
what formula for determining the number of possible hosts in a network?
2h-2=Z
how large is the 802.1Q tag that is added to an Ethernet frame when using VLANs?
4 bytes
what is the maximum number of host IP addresses that can exist in a class B network?
65,534
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 host per subnet?
255.255.224.0
how many subnets can a /48 site prefix support?
65,536 subnets
what is the least number of bits you would need to borrow from the network portion of a class B subnet mask to get at least 130 hosts per subnet?
8
a network with a CIDR notation of /26 would have what subnet mask?
255.255.255.192
what service in Windows server 2016 authenticates remote users and computers to the windows domain and it's corporate network resources?
DirectAccess
which tunneling protocol is a component of the IPsec protocol suite?
IKEv2
which encryption protocol does GRE use to increase the security of it's transmission?
IPsec
when using IPv6, what would a /64 network likely by assigned to?
a smaller organization or business
with which network connection type does the VM obtain IP addressing information from it's host?
bridged mode
what is NOT one of the ways in which networks are commonly segmented?
by device manufacturer
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?
show vlan
which of the following suggestions can host prevent VLAN hopping attacks on a network?
disable auto trunking and move native VLANs to unused VLANs
what software allows you to define VMs and manage resource allocation for a minimum of 6 subnets while maximizing the number of host per subnet?
hypervisor
which encryption benchmark ensures data is not modified after it's transmitted and before it's received?
integrity
when an 802.1Q tag is added to an Ethernet frame, where is it placed?
it is inserted between the source address and the ethernet type field.
what does the VLAN trunk protocol (VTP) do?
it shares VLAN database information amongst switches that participate.
subtracting an interesting octet value from 256 yields what number?
magic number
what do well-chosen subnets accomplish?
network documentation is easier to manage
with VTP, where is the VLAN database stored?
on the switch that I'd known as the stack master
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?
router-on-a-stick
what command will set the native VLAN on a juniper switch port?
set native-vlan-id