Networking 7

25 July 2022
4.7 (114 reviews)
96 test answers

Unlock all answers in this set

Unlock answers (92)
question
Routing table entries are entered manually on static routers and do not change.
answer
TRUE
question
By convention, what is the name given to Area ID 0 (zero) of an Open Shortest Path First (OSPF) network?
answer
Backbone
question
Which value represents the core or backbone area of an OSPF network?
answer
0.0.0.0
question
What is the name of the proprietary cable designed by Cisco for connecting to their routers?
answer
yOST
question
Which protocol is used on the Internet for communication between Autonomous Systems?
answer
Border Gateway Protocol (BGP-4)
question
RIP converges dramatically faster and is much more efficient than OSPF.
answer
False
question
Which column in a routing table tells the router which of its ports to use?
answer
Interface
question
With distance vector routing protocols, the simplest total cost sums the hops (the hop count) between a router and a network.
answer
TRUE
question
Which protocol is a distance vector routing protocol?
answer
IS-IS
question
What is the name of Cisco?s proprietary operating system?
answer
Cisco IOS
question
Every brand of router tends to use the same default user name and password.
answer
TRUE
question
The Border Gateway Protocol is used between routers inside a single Autonomous System.
answer
FALSE
question
Which tool can be used to access a Cisco router remotely from a Windows 7 system?
answer
. PuTTY
question
Your company has a single server on the private LAN that it wants to make accessible from the Internet. Which of the following would give the server the protection of NAT, while allowing access to that server from the Internet?
answer
Port forwarding
question
__________ maps a single routable (that is, not private) IP address to a single machine, enabling you to access that machine from outside the network.
answer
Static NAT
question
Network Address Translation (NAT) extended the useful life of IPv4 addresses on the Internet for many years.
answer
True
question
What protocol was adopted in 1994, and is now considered obsolete except for small, private WANs?
answer
RIPv2
question
Which routing metric determines the largest frame a particular technology can handle?
answer
MTU
question
The protocol used by Autonomous Systems to communicate with each other is generically called a(n) __________.
answer
Exterior Gateway Protocol (EGP)
question
NAT is essentially the same process as routing.
answer
false
question
Which routing protocol is the choice in most large enterprise networks?
answer
EIGRP
question
Which routing protocol does not support Variable-Length Subnet Masking (VLSM)?
answer
RIPv1
question
Which term refers to the passage of a packet through a router?
answer
Hop
question
What is the maximum number of hops allowed by RIP?
answer
15
question
What tasks should be performed as soon as an administrator finishes configuring a router?
answer
Document how you configured the router and back up the router configuration.
question
Which of the following could be a valid Autonomous System Number (ASN)?
answer
1.33457
question
Which tool is used by an administrator to manage many routers and obtain an overall view of all the routers?
answer
Network Management System (NMS)
question
Secure Shell (SSH) is a terminal emulation program that uses the network to connect routers.
answer
true
question
Which NAT technology uses port numbers to map traffic from specific machines on the network?
answer
PAT
question
The first thing you should do with a new router is to plug it into an existing network.
answer
False
question
On a TCP/IP network, a router determines where an incoming packet should go by looking at the packet?s
answer
destination IP addresses
question
Routers work with the source IP address of each packet.
answer
False
question
Which tool records the route between any two hosts on a network and can be used to troubleshoot routing problems?
answer
traceroute
question
Which protocol is a path vector routing protocol?
answer
BGP
question
Which routing metric refers to the ability of a connection to handle more data than others?
answer
Bandwidth
question
Every node on a network has a routing table.
answer
True
question
Which protocol is Cisco?s proprietary protocol?
answer
EIGRP
question
Which form of NAT typically handles the one-to-many connections?
answer
Port Address Translation (PAT)
question
What is another name for dynamic NAT?
answer
Pooled NAT
question
When a router has more than one route to the same network, the responsibility for assigning a different metric for each route lies with the __________.
answer
person in charge of that router
question
At which layer of the OSI model do routers work?
answer
Network
question
Which protocol is a link state dynamic routing protocol?
answer
IS-IS
question
With NAT, the router replaces the destination IP address of a computer with its outside interface address on outgoing packets.
answer
False
question
Every operating system always looks first in the hosts file before anything else when attempting to resolve a name.
answer
True
question
A Windows domain is the same as a DNS domain.
answer
False
question
Which item is part of a fully qualified domain name (FQDN)?
answer
. The host name
question
Which zone files are the most important part of any DNS server?
answer
Forward lookup zones
question
Which statement is true about DNS roots?
answer
They have the complete definitive name resolution table.
question
Which command is used to force a DNS server to update its records?
answer
ipconfig /registerdns
question
On an authoritative DNS server, which storage areas hold the IP addresses and FQDNs for the computers in a domain?
answer
Forward lookup zones
question
A single DNS domain may have a single authoritative DNS server and only one other DNS server, known as a name server (NS).
answer
False
question
What term best describes the way the DNS name space is organized?
answer
Hierarchical
question
What entry is made at the command prompt in UNIX/Linux to display DNS server information?
answer
cat /etc/resolv.conf
question
Which protocol enables DNS servers to get automatic updates of IP addresses of computers in their forward lookup zones, mainly by talking to the local DHCP server?
answer
Dynamic DNS
question
Within the DNS hierarchy, which term refers to the DNS servers just below the DNS root?
answer
Top-level domain servers
question
How many powerful DNS server clusters, scattered all over the world, does the DNS root contain?
answer
13
question
Which zone is created on other DNS servers to act as backups to the primary zone?
answer
Secondary
question
A zone is a container for multiple DNS domains.
answer
False
question
Lots of operating systems come with built-in DNS server software, including Windows Server.
answer
true
question
Which DNS server is used to talk to other DNS servers to resolve IP addresses for DNS clients?
answer
Authoritative server
question
A single DNS server can act as the authoritative DNS server for only one domain.
answer
false
question
Every forward lookup zone requires a Start of Authority (SOA) record.
answer
true
question
The top level of a domain name registered for Internet use is the name of the individual entity registering the domain name.
answer
true
question
DNS domains that are not on the Internet should use the top-level name __________.
answer
.local
question
Which term is an original top-level domain name?
answer
.mil
question
In the DNS naming convention, what character(s) separate(s) a domain name from its subdomains?
answer
Period (.)
question
How is the address 127.0.0.1 listed in the hosts file?
answer
localhost
question
Which type of domain allows all of the domain controllers to be equal partners, such that any domain controller can take over if one domain controller fails?
answer
Active Directory
question
Which record type points to the authoritative name server?
answer
SOA
question
Including the separating periods, what is the maximum number of characters allowed by the DNS naming convention?
answer
255
question
On a private TCP/IP network, the DNS naming convention does not require top-level domain names such as .com or .org.
answer
True
question
Every Web server must include ?www? as part of its name.
answer
False
question
How does NetBIOS identify a computer system on the network?
answer
By using a NetBIOS name
question
As the Internet has grown, hosts files have replaced DNS.
answer
False
question
Which of the following is true of the names in a flat name space?
answer
Names must be unique.
question
What UDP port do DNS servers primarily use?
answer
53
question
Which tool is the best choice for testing DNS?
answer
ping
question
In comparing the DNS name space to a computer?s file system, a domain is like __________.
answer
a folder
question
If a primary DNS server goes down, the secondary servers can resolve FQDNs and add new records.
answer
false
question
If you want to be a purist when labeling the connections on patch panels, there is an official, and rather confusing, TIA/EIA labeling methodology called TIA/EIA 606.
answer
True
question
What are you trying to discover when you test a cable for continuity?
answer
A broken wire
question
The network status icon in the Notification Area in Windows 7 will display a little red ? when a NIC is disconnected.
answer
True
question
What is the size of a U, the equipment rack unit of measure, used for specifying height?
answer
1.75 inches
question
Which condition specifically applies to UTP cabling?
answer
Uninterruptible power supply (UPS)
question
What type of tool is manufactured by Tripplet Corporation and is called a ?Fox and Hound??
answer
Toner
question
Which attribute applies to the OSPF routing method?
answer
It uses a link state algorithm.
question
Every node on a network has a routing table.
answer
True
question
What enables a system to determine an FQDN by knowing the IP address?
answer
Reverse lookup zones
question
Which of the following would confirm that you have a DNS problem?
answer
Ping works with the IP address but not with the Web site name.
question
Cache-only DNS servers are often the authoritative server for a domain.
answer
False
question
Most switches enable you to use multiple NICs for a single machine, a process called __________ or link aggregation.
answer
bonding
question
If a routing table has two or more valid routes for a particular IP address destination, it always chooses the route with the highest value.
answer
False
question
Which organization has the authority to create new top-level domain names?
answer
ICANN
question
A DNS server must be a member of a domain to be a name server for that domain.
answer
False
question
Which protocol enables DNS servers to get automatic updates of IP addresses of computers in their forward lookup zones, mainly by talking to the local DHCP server?
answer
Dynamic DNS
question
Microsoft used DNS names with the __________ protocol to provide folder and printer sharing in small TCP/IP networks.
answer
SMB