What happens to some of the IPv4 fields in the IPv6 packet header?

b) They change names and positions

What is the purpose of the traffic class field in IPv6?

c) It indicates the priority or quality of service (QoS) for the packet.

a) It identifies the source and destination IP addresses.

b) It specifies the version of the IPv6 protocol.

d) It defines the size of the IPv6 header.

What does the payload length field in IPv6 indicate?

c) It indicates the length of the data portion or payload of the IPv6 packet.

a) It specifies the version of the IPv6 protocol.

b) It identifies the source and destination IP addresses.

d) It informs devices to handle packets with identical payload lengths in a consistent manner.

What does the Next Header field in IPv6 indicate?

d) It indicates the data payload type that the packet is carrying.

a) It specifies the version of the IPv6 protocol.

b) It identifies the source and destination IP addresses.

c) It indicates the length of the data portion or payload of the IPv6 packet.

What happens when the hop limit field in an IPv6 packet reaches 0?

a) The packet is discarded, and an ICMPv6 time exceed message is sent to the receiving host.

b) The packet is forwarded to the next router in the path.

c) The packet is rerouted to an alternate path.

d) The packet is modified with a new hop limit value.

Why does IPv6 not include an IPv6 header checksum like IPv4?

d) The IPv6 header checksum is unnecessary due to checksum calculations at lower and upper layers.

a) The IPv6 header checksum is calculated at the transport layer.

b) The IPv6 header does not require error checking.

c) The IPv6 checksum is performed at the data link layer.

What does the source IPv6 address field in an IPv6 packet identify?

c) The IPv6 address of the sending host

a) The IPv6 address of the receiving host

b) The subnet mask of the sending host

d) The MAC address of the sending host

Which statement about host forwarding decisions is true?

local hosts can reach each other without the need of a router

a remote destination host is on the same local network as the sending host

routing is enabled on switches to discover the best path to a destination

Which default gateway statement is true?

the default gateway address is the ip address of the router on the local network

a default gateway is required to send packets to other hosts on the local network

the default gateway address is the ip address of a switch on a remote network

traffic can only be forwarded outside the local network if there is no default gateway

How does a source device determine whether a destination IPv4 address is on the same network?

b) By checking the destination subnet mask

a) By consulting the local router

d) By sending an ICMP echo request

What is the role of the default gateway in routing?

c) It forwards packets between the local network and remote networks.

a) It determines the best path to a remote destination.

b) It provides interconnections between local hosts on the local network.

d) It advertises the local network address to all devices on the network.

What happens if there is no default gateway configured on a network?

b) Hosts on the network cannot access the internet or other remote networks

a) Hosts on the network cannot communicate with each other

c) Traffic within the local network will be slower

d) The network becomes vulnerable to security breaches

What is the purpose of a default route in a host's routing table?

b) To forward traffic to the default gateway

a) To route traffic within the local network

c) To block incoming traffic from remote networks

d) To assign IP addresses to other hosts on the network

How is the default gateway address typically obtained in IPv4 and IPv6?

b) It is dynamically assigned by the router using DHCP

c) It is advertised by the router through routing protocols

a) It is manually configured on the host's network interface

d) It is obtained from the local DNS server

What does a router do when a packet arrives on one of its interfaces?

c) It examines the destination IP address of the packet and searches its routing table to determine where to forward the packet.

a) It immediately sends the packet to the destination host.

b) It examines the source IP address of the packet and updates its routing table.

d) It broadcasts the packet to all devices on the network.

How does a router learn about remote networks to include in its routing table?

c) By exchanging route information using a dynamic routing protocol

a) By manually entering static routes

b) By configuring default routes

d) By forwarding all packets to the default gateway

What is a characteristic of static routes?

c) They require manual configuration by the administrator.

a) They are automatically updated when there is a change in the network topology.

b) They are configured dynamically using a routing protocol.

d) They are suitable for large networks with redundant links.

When is static routing typically used?

d) In small networks with few or no redundant links.

a) In networks with dynamic routing protocols.

b) In large networks with redundant links.

c) In networks with frequent changes in the network topology.

Which statement is true about dynamic routing protocols?

c) They allow routers to automatically learn about remote networks and share routing information.

a) They require manual configuration by the network administrator.

b) They do not automatically update routing tables in response to topology changes.

d) They are only used in small networks with few routers.

What happens when there is a change in the network topology with dynamic routing protocols?

a) Routers automatically adjust and find a new best path.

b) The network administrator needs to manually reconfigure the routing tables.

c) Routers stop exchanging routing information with each other.

d) The routers become unable to communicate with remote networks.

What does the code "C" indicate in the routing table entry?

b) The route is a directly connected network.

a) The route was learned dynamically from the OSPF routing protocol.

c) The route is a static route manually configured by an administrator.

d) The route is a default route.

What does the code "S*" indicate in the routing table entry?

c) The route is a static route manually configured by an administrator.

a) The route was learned dynamically from the OSPF routing protocol.

b) The route is a directly connected network.

d) The route is a default route.

Intro to networks 8.3, 8.4, 8.5

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Intro to networks 8.3, 8.4, 8.5

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Instructional Technology

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Professional Development

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Practice Problem

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Hard

Angel Martinez

Used 1+ times

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34 questions

Show all answers

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which three options are major issues associated with IPv4? (Choose three.)

IP address depletion

increased network complexity and internet routing table expansion

always on connections

lack of end to end connectivity

too many IPv4 addresses available

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which two options are improvements provided by IPv6 as compared to IPv4? (Choose two.)

header supports additional fields for complex packets

increased the ip address space

supports class based networks

uses a simple header to provide improved packet handling

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is true of the IPv6 packet header?

the hop limit field replaces the ipv4 time to live field

the source and destination ipv6 addresses change while traveling from source to destination

the versions field identifies the next header

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technology in IPv4 networks provides a way for multiple devices to share a single public IPv4 address?

a) Network Address Translation (NAT)

b) End-to-end connectivity

c) IPv6 protocol

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the challenges caused by the use of NAT in IPv4 networks?

a) Lack of end-to-end connectivity

b) Increased network complexity

c) IPv4 address depletion

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the improvements provided by IPv6 compared to IPv4?

a) Increased address space

b) Improved packet handling

c) Need for NAT

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one advantage of IPv6 that eliminates the need for NAT?

a) Increased address space

b) Improved packet handling

c) Large number of public IPv6 addresses

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Intro to networks 8.3, 8.4, 8.5

34 questions

Which three options are major issues associated with IPv4? (Choose three.)

Which two options are improvements provided by IPv6 as compared to IPv4? (Choose two.)

Which is true of the IPv6 packet header?

Which technology in IPv4 networks provides a way for multiple devices to share a single public IPv4 address?

What is one of the challenges caused by the use of NAT in IPv4 networks?

What is one of the improvements provided by IPv6 compared to IPv4?

What is one advantage of IPv6 that eliminates the need for NAT?

What is one major design improvement of IPv6 over IPv4?

What happens to some of the IPv4 fields in the IPv6 packet header?

What is the purpose of the traffic class field in IPv6?

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