Chapter 3
What TCP header field allows the receiving node to determine whether a TCP segment is corrupted during transmission?
-sliding window
-checksum
-acknowledgement
-TCP header length
checksum
The _____of a MAC address is unique to each manufacturer.
-OUI
-Physical Address
-Network Identifier
-Device Identifier
OUI
Flow control, Sequencing, and Checksums are all properties of what layer 4 protocol?
-TCP
-UDP
-ARP
-IP
TCP
Routing protocols can be categized into what two main categories?
-TCP and UDP
-DHCP and DNS
-Fast and Slow
-IGP and EGP
IGP and EGP
_____ fiber optic cable is used for long distance data links and provides the highest throughput for Wide Area Networks.
- Embedded-core
- Single-mode
- Multi-mode
- Modulated-core
In an IPv4 header, the _____ field indicates how many routers a packet may pass through on a network.
- flow label
- time to live
- max path count
- total time routing
time to live
Which computers are the highest authorities in the Domain Name System hierarchy?
- Root Server
- Primary DNS Server
- Top-level Domain Server
- Authoritative Name Server
Root Server
Which of the following is an unreliable, connectionless protocol that relies on TCP to ensure messages reach the correct application on the receiving host.
-DNS
-IP
-UDP
-DHCP
IP (internet protocol)
Which of the following is an advantage of Dynamic Routing?
- Creates a new route when problems are detected
- Configurable by network administrator
- Fixes connection issues to reestablish connection
- The fastest route determined manually
Creates a new route when problems are detected
A _____ cable reverses all of the wires, and is used to connect a PC to the console port of a router or switch.
-Straight Through
-Crossover
-Distribution
-Rollover
Management protocol for IPv4 that provides hosts with information about network problems and is used for network error reporting, particularly through routers
- SNMP
- DNS
- ICMP
- DHCP
ICMP
The protocol responsible for providing IP addresses to network hosts
- DNS
- ICMP
- ARP
- DHCP
DHCP
Which of the following is not a type of router?
-Exterior
-Core
-Edge
-Passive
Passive
Which of the following is the only EGP routing protocol?
-OSPF
-RIP
-IS-IS
-BGP
BGP
Which part of a toner and probe kit emits an audible tone when it detects electrical activity on a wire pair?
-Toner
-Tone generator
-Tone locator
-TDR
Tone Locator
A host name-to-address resolution protocol
- SNMP
- ARP
- DNS
- DHCP
DNS
How many bits are in a MAC address?
48
What is the name for the database that maintains information about where hosts are located and the most efficient way to reach them?
- Link-State Routing
- Dynamic Routing
- Distance Vector Routing
- Routing Table
Routing Table
Which of the following is an Enhanced routing protocol that combines distance-vector and link-state technologies.
-EIGRP
-OSPF
-IS-IS
-RIP
EIGRP
The minimum category of UTP cable required in order to support Gigabit Ethernet speeds is CAT _____.
-3
-5
-5e
-6
5e
What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another network?
- DHCP Server
- Root Server
- DNS Server
- Default Gateway
Default Gateway
A technique designed to conserve public IP address needed by a Network?
- DHCP
- NAT
- IP
- SNMP
NAT (Network Address Translation)
Which of the following is the time it takes to recognize a best path in event of a network change or outage?
- Administrative Distance
- Convergence Time
- EGP
- IGP
Convergence time
What utility displays TCP/IP statistics and details about connections such as what port they use?
-Tracert
-Nmap
-Ipconfig
-Netstat
Netstat
The primary difference between multi-mode and single-mode optical fiber construction is the _____.
-Diameter of the cladding
-Diameter of the core
-Type of buffer
-Thickness of the braiding
Diameter of the core