Connection Types
TCP/IP Concepts
Network Communications
Network Configurations
Landi Questions
Landi Question 2
100
This device is interfaced to the local router via an RJ45 port and with the access provider's network by a short segment of coax terminated using threaded F-type connectors
cable modem
100
The TCP/IP suite uses a model with four distinct layers. What are they?
Application, Transport, Internet, Link
100
Any given host will be communicating with many other hosts using many different types of networking data. One of the functions of the Transport layer is to identify each type of network application. It does this by assigning each application a port number between *BLANK and *BLANK
0 and 65535
100
IP uses a binary address value to locate a host on an internetwork. The dotted decimal (IPv4) or hex (IPv6) representation of this IP address is used for configuration purposes, but it is not easy for people to remember or input correctly. For this reason, a "friendly" host name is also typically assigned to each host.
When is the host name configured?
The host name is configured when the OS is installed
100
How many octets are in a IPv4 network address?
4 octets
An IPv4 address is 32 bits long. It can be arranged into four groups of eight bits (one byte) known as "octets."
100
Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?
Default gateway
200
The are 2 main flavors of DSL what are they and what is the main difference between the two?
Asymmetrical DSL
Symmetric DSL
Symmetric versions of DSL offer the same uplink and downlink speeds.
200
This fundamental network protocol allows a host to query which MAC address is associated with an IP address.
Address Resolution Protocol (ARP)
200
There are at least 4 well known protocols that use UDP method of communication. Name 2 of them.
DNS
DHCP Server
DHCP Client
NetBIOS
200
A DHCP scope is the range of IP addresses that a DHCP server can offer to client hosts in a particular subnet. If the scope is defined as 192.168.0.98 to 192.168.0.199 and there are 3 static IP address assigned, how many hosts can be dynamically addressed hosts on the local network
that allows for 99 dynamically addressed hosts on the local network.
200
IPv6 addresses are written in hexadecimal notation. One hex digit can represent a four-bit binary value which is known as a *BLANK
nibble
200
Which of the following describes an IPv6 address? (Select two.)
Eight hexadecimal quartets
128-bit address
300
This device has a PON port that terminates the external fiber cable and the LAN ports connect to local routers or computers over RJ45 patch cords
Optical network terminal (ONT)
300
The transport layer is implemented by one of two protocols.What are they and what is their main difference.
Transmission control protocol (TCP) guarantees connection-oriented forwarding of packets.
User datagram protocol (UDP) provides unreliable, connectionless forwarding. UDP is faster
300
Name the 3 common email protocols
SMTP, POP, IMAP
300
A host is configured to use DHCP by specifying in its TCP/IP configuration that it should automatically obtain an IP address. When a DHCP client initializes, it broadcasts a DHCPDISCOVER packet to find a DHCP server. All communications are sent using UDP, with the server listening on port *BLANK and the client on port *BLANK.
67, 68
300
The DHCP client communicates with the server using broadcast communications so there is no need to configure a DHCP server address in the client configuration. The DHCP server must be configured with a *BLANK.
static IP address
300
Which of the following IP addresses have a default subnet mask of 255.255.0.0? (Select three.)
129.0.0.1
191.168.2.15
168.16.5.1
400
What is the main difference between FTTC and FTTP?
Fiber to the premises (FTTP) uses a full fiber link, while fiber to the curb (FTTC) retains a short segment of copper wire between the subscriber premises and a street cabinet.
400
What is the network id of this class B ipv4 address?
190.127.10.1
What is the host id of this class A ipv4 address?
10.100.11.8
What is the network id of this class C ipv4 address?
236.140.172.11
190.127
100.11.8
236.140.172
400
Which port is assigned to DNS?
Which port is assigned to DHCP?
DNS(53)
DHCP(67)
400
An address *BLANK record is used to resolve a host name to an IPv4 address.
An *BLANK record resolves a host name to an IPv6 address.
An address (A) record is used to resolve a host name to an IPv4 address. An AAAA record resolves a host name to an IPv6 address.
400
Hosts have a failover mechanism for when the IP configuration specifies use of a DHCP server but the host cannot contact one. In this scenario, the computer selects an address at random from the range *BLANK to *BLANK. Microsoft calls this Automatic Private IP Addressing (APIPA).
169.254.0.1 to 169.254.255.254
400
Which of the following items of information does a packet header contain? (Select three.)
Receiver, Data chunk order, Sender
500
Name these two enterprise network devices described below.
Divides a single physical network into multiple logical subnetworks. Each logical subnetwork becomes a separate broadcast domain.
Forwards traffic to and from the Internet or over a private WAN link.
LAN router
WAN or border router
500
With a IP network of 192.168.0.0/24, what are the two ip address that cannot be assigned to a host?
192.168.0.0 (used to identify the network )
192.168.0.255 (used to broadcast to all hosts)
500
Named the protocols assigned to ports 20, 22, 23, 53, and 443.
FTP(20), SSH(22), Telnet(23), DNS(53), HTTPS(443)
500
The simplest means of assigning a node to a VLAN is by configuring the port interface on the switch with a VLAN ID in the range *BLANK to *BLANK
2 to 4094
500
Which TCP/IP model layer determines how each host manages multiple connections for different application layer protocols at the same time.
Which TCP/IP model layer is responsible for putting frames onto the physical network.
Transport Layer
Link Layer
500
You are a network administrator for a small office. A new employee connects their laptop to the network, but they are unable to access the internet.
Upon investigation, you find that the laptop has an IP address of 169.254.x.x.
What should you do to resolve the issue?
Check if the DHCP server is running and properly configured.