CN
Provides IP address to MAC address resolution in a manner similar to that of ARP.
RARP
A classful routing protocol.
RIP version 1
Indicates that a TCP connection is to be terminated without further interaction.
RST
Contains enough information in its header to be routed through an internetwork.
Routed protocol
What is TCP port 25?
SMTP
A connectionless protocol that permits remote tracking & management of TCP/IP hosts.
SNMP
What is UDP port 161?
Simple Network Management Protocol (SNMP)
Indicates how much of the IP address represents the network or subnet.
Subnet mask
Also known as route aggregation.
Summarization
What is UDP port 69?
TFTP
What is TCP port 23?
Telnet
Well known ports are those from ___ thru ____.
1 thru 1,023
Registered ports are those from _____ thru _____.
1,024 thru 49,151
The TCP acknowledgement process is _____. a. Expectational b. Sequential c. Exceptional d. Sesquicentennial
A. Expectational
_____ is the most important layer 3 security protocol. a. IPSec b. ARP c. DNS d. NAT
A. IPSec
To determine how many digits are used for the network identifier, you must look at the _____, which is a required component for all IP hosts. a. subnet mask b. MAC mask c. network mask d. TCP/IP mask
A. Subnet mask
When the host portion of an IP address is all binary zeros, that address is the _____ identifier. a. subnetwork b. broadcast c. class d. multicast
A. Subnetwork
What is the purpose of the three-way handshake? A. To establish a reliable connection between points. B. To establish an unreliable connection between two points C. To establish a relationship at the Application layer between two points. D. To establish a relationship at the internetwork layer between two points.
A. To establish a reliable connection between points.
Which of the following is used by the TFTP protocol? a. UDP b. TCP c. ICMP d. Telnet
A. UDP
Manages IP addresses in the United States.
ARIN
A device that connect multiple nodes and/or networks, is connected to external power, & repeats & regenerates signals on a network.
Active hub
A wireless mode where client devices connect directly to each other without an access point.
Ad hoc mode
True or False: Routers are slower than other devices because they must analyze a data transmission from the Physical through the Network layer.
True
True or False: Routers can choose the best path across an internetwork using dynamic routing techniques.
True
An IEEE 802.3z Gigabit Ethernet implementation that uses balanced copper cabling to achieve 1000 Mbps.
1000BaseCX
An IEEE 802.3z Gigabit Ethernet implementation that uses single-mode fiber to achieve 1000 Mbps.
1000BaseLX
An IEEE 802.3z Gigabit Ethernet implementation that uses multimode fiber to achieve 1000 Mbps.
1000BaseSX
An IEEE 802.3z Gigabit Ethernet implementation that uses all four pairs of Category 5 or better UTP cable to achieve 1000 Mbps.
1000BaseT
A fast ethernet implementation over multimode fiber-optic cabling. The maximum segment length is 412 meters.
100BaseFX
A 100-Mbps fast ethernet implementation that uses four pairs of either Caterory 3, 4, or 5 UTP cable. The maximum segment length is 100 meters.
100BaseT4
A fast ethernet implementation that use two pairs of either Category 5 unshielded twisted-pair (STP). It also operates at the 100 Mbps with a maximum segment distance of 100 meters.
100BaseTX
Dynamic/Private ports are those from _____ thru _____.
49,152 thru 65,535
The IEEE standard that defines wireless networking in the unlicensed frequency bands 2.4 GHz and 5 GHz.
802.11
The IEEE standard that defines port switching designed to shut down a switch port to all frames unless they are authentication frames.
802.1x
True or False: Routers work only with routable network protocols; most but not all protocols are routable.
True
Which of the following is a Class A Broadcast? a. 11.255.255.255 b. 127.75.255.255 c. 193.255.255.255 d. 14.25.255.255
A. 11.255.255.255
Which of the following is a layer in the TCP/IP protocol? (Choose all that apply) a. Application b. Presentation c. Physical d. Data Link e. Internetwork
A. Application B. Presentation E. Internetwork
_____ provides the same basic functionality as RARP. a. DHCP b. HTTP c. SNMP d. IP
A. DHCP
Which of the following is a TCP/IP Application layer protocol? (Choose all that apply) a. DNS b. FTP c. UDP d. IP E. ICMP
A. DNS B. FTP
The _____ utility uses ICMP echo request/reply messages and can verify Internetwork layer (OSI-Network layer) connectivity. a. Find b. Path c. Trace d. Route
C. Trace
A wireless network with m ultiple access points connected to switches. The access point are typically configured with the same network name (SSID) to facilitate roaming.
Extended Service Set (ESS)
The console port connects directly to a PC through a(n) _____ rollover cable. a. RJ-45 to RJ-10 b. RJ-45 to RJ-45 c. RJ-9 to RJ-45 d. RJ-9 to RJ-10
B. RJ-45 to RJ-45
When sending packets to remote segments, router rely on information in _____. a. ARP tables b. Routing tables c. Switching tables d. ROM
B. Routing tables
Which of the following is a reliable communications protocol? a. UDP b. TCP c. IP d. ICMP
B. TCP
Works with 802.1x to carry the authentication information between the user, the access point, & the security server.
Extensible Authentication Protocol (EAP)
What is TCP port 20 7& 21?
FTP data transfer
An ARP reply is a _____. a. Multicast b. Unicast c. Broadcast d. Anycast
B. Unicast
What do computers do with the information in an ARP request when they are not the destination IP? A. Update their ARP caches with the destination information. B. Update the ARP caches with the source information. C. Update their routing tables with the ARP information. D. None of the above
B. Update the ARP caches with the source information.
An ARP request is a _____. a. Multicast b. Unicast c. Broadcast d. Anycast
C. Broadcast
_____ is based on assigning IP addresses on criteria other than octet boundaries. a. ARIN b. IANNA c. CIDR d. VLSR
C. CIDR
Network administrators typically access the router directly through the console port (also known as the _____) located on the back of the router. a. DB-9 b. VTY c. console d. AUX
C. Console
RARP has largely been replaced by? a. BOOTP b. ARP c. DHCP d. DNS
C. DHCP
The ____ transition method involves enabling IPv6 on all routers, switches, & end nodes but not disabling IPv4--so both version 4 & version 6 stacks run at the same time. a. scheduling b.tunneling c. dual stack d. natting
C. Dual stack
Ping and Trace both reply on what protocol? a. SMTP b. DNS c. ICMP d. TFTP
C. ICMP
The decimal number 192 expressed in binary is _____. a. 10000101 b. 11000000 c. 11010010 d. 11100100
B. 11000000
Although the base _____ numbering system seems foreign at first glance, largely due to the addition of letters, it really is an efficient way to express large numbers such as MAC & IPv6 addresses. a. 2 b. 16 c. IP2 d. IPNext
B. 16
What is True regarding IPv6? (Choose all the that apply). a. Addresses are expressed in binary b. Addresses are expressed in hexadecimal c. Its difficult to transition to IPv6 d. IPv6 addresses are 64 bits rather than 32 bits like IPv4 addresses e. Most Cisco systems support IPv6.
B. Addresses are expressed in hexadecimal E. Most Cisco systems support IPv6
Which of the following address classes allows you to borrow a maximum of 14 bits to create a subnet mask? a. Class A b. Class B c. Class C d. None of the above
B. Class B
Bridges operate at which layer of the OSI model? a. Network b. Data Link c. Session d. Transport
B. Data Link
Which layer of Cisco's Three-Layer Hierarchial model provides services such as traffic control & security the network? a. Access layer b. Distribution layer c. Core layer d. All layers can provide these functions, traffic control & security are not addressed by this model.
B. Distribution layer
A(n) _____ is caused by a malicious user or program that sends a large quantity of ICMP echo requests (pings) to a target device in an attempt to crash or greatly reduce the performance of the target device. a. SYN flood b. ICMP flood c. Ping of Death d. smurf attack
B. ICMP flood
What are some reason to switch to IPv6? (Choose all that apply). a. The equipment costs less. b. IPv6 is inherently more secure. c. There is more address space available with IPv6 d. IPv6 will handle NAT configurations automatically e. Broadcasting will be replaced with multicasting.
B. IPv6 is inherently more secure. C. There is more address space available with IPv6. E. Broadcasting will be replaced with multicasting.
It seems that 127.0.0.1 (decimal) is the highest assignable Class A address, but that particular address range is reserved as the _____ address. a. multicast b. loopback c. broadcast d. unicast
B. Loopback
What is an ARP table? a. Destination & source MAC addresses. b. MAC & corresponding IP addresses. c. Destination & Source IP addresses. d. Routes to networks.
B. MAC & corresponding IP addresses.
A device that functions as a bridge for nonroutable protocols & a router for routable protocols. Which operate at both the Data Link & Network layers.
Brouter
A portion of memory where the device store incoming packets until they can be processed.
Buffer
The ____ layer of the TCP/IP model maps to both the Data Link & Physical layer s of the OSI reference model. a. Transport b. Internetwork c. Network Interface d. Application
C. Network Interface
Which of the following are not ICMP message types? a. Echo & destination unreachable b. Source quench & redirect c. Relay & reroute d. Parameter problem & information e. Timestamp & time exceeded
C. Relay & Reroute
_____ protocols allow the routers to be updated automatically. a. Internetwork b. MAP c. Routing d. smurf attack
C. Routing
_____ tell the computer or router which part of an IP address is the network portion & which part is the host portion. a. CIDR tables b. Summarization tables c. Subnet masks d. Router masks
C. Subnet masks
Many network devices maintain tables of the MAC and IP addresses of other devices on the network. These tables are called _____.
C. ARP tables
Developed to slow the exhaustion of IP addresses.
CIDR
What is TCP port 80?
Hypertext Transfer Protocol (HTTP) Web services
A global, government-independent entity with overall responsibility for the Internet.
ICANN
The next generation of IP
IPv6
A wireless mode in which the access point is wired back into a switch so that the client has access to the LAN and WAN, not just the WLAN.
Infrastructure mode
What is TCP port 110?
Post Office Protocol version 3 (POP3)
What are the well known port numbers? a. 1024 - 49151 b. 49152 - 65535 c. 0 - 1021 d. 1 - 1023
D. 1 -1023
Assuming that the address 165.24.3.6 uses the correct default mask, what is the host identifier? a. 165.24 b. 24.3.6 c. 3 d. 3.6
D. 3.6
For a class B broadcast, which octets will be completely binary ones? a. 2nd b. 2nd & 3rd c. 1st & 2nd d. 3rd & 4th
D. 3rd & 4th
Distance-Vector algorithms & Link-state algorithms are used in _____. a. DHCP b. ARP c. Static Routing d. Dynamic Routing
D. Dynamic Routing
_____ is the process of assigning unique IP addresses to devices on the network. a. Virtual addressing b. Network addressing c. IP access d. IP addressing
D. IP addressing
The _____ layer in the TCP/IP model handles software, or logical, addressing. a. Network Interface b. Application c. Transport d. Internetwork
D. Internetwork
Routers operate at which layer of the OSI model? a. Data Link b. Presentation c. Session d. Network
D. Network
Which of the following is a TCP/IP Transport layer protocol? (Choose all that apply) a. ARP b. RARP c. IP d. UDP e. TCP
D. UDP E. TCP
What is UDP port 67 & 68?
DHCP
Provides TCP/IP host name to IP address resolution.
DNS serivce
What is TCP & UDP 53?
Domain Name System (DNS)
A 32-bit signal that is sent by the first station to detect a collision on an Ethernet network; ensure that all other stations are aware of the collision.
Jam signal
A delay on a network caused by variety of factors, including the addition of devices.
Latency
A distributed file system developed by Sun Microsystems that allows data to be shared across a network.
NFS
What is TCP port 119?
Network News Transfer Protocol (NNTP)
What is TCP & UDP port 123?
Network Time Protocol (NTP)
Four bits, which is half of a byte.
Nibble
A classless routing protocol.
OSPF
A network device that uses LEDs or diode lasers to amplify optical signals.
Optical repeater
A devices that connects network segments but does not perform signal regeneration.
Passive hub
Verifies connectivity between two points
Ping utility
Used by TCP to establish a reliable connection between two points.
Three-way handshake
True or False: Each interface on a router represents an IP address on a different network.
True