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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. WRED is a method of congestion avoidance that works by dropping packets before the output queue becomes completely full. WRED can base its dropping behavior on IP Precedence or DSCP values to drop low-priority packets before high-priority packets.
weighted random early detection
Data Set Ready
RMON event
FT
2. Frequency hopping spread spectrum.
SSM
Border Gateway Protocol
Label Distribution Protocol
FHSS
3. A BGP path attribute that is communicated throughout a single AS to signify which route of multiple possible routes is the best route to be taken when leaving that AS. A larger value is considered to be better.
LOCAL_PREF
Discard Eligible
traffic contract
Network Control Protocol
4. With OSPF - the timer used to determine when a neighboring router has failed - based on a router not receiving any OSPF messages - including Hellos - in this timer period.
Bootstrap Router (BSR)
224.0.0.2
RARP
Dead Time/Interval
5. The portion of PPP focused on supporting the CDP protocol.
CDP Control Protocol
DSSS
Hold timer
Smoothed Round-Trip Time
6. Cisco Group Management Protocol.
WEP
BSR
CGMP
IP SLA
7. Password Authentication Protocol.
shaping rate
PAP
PIM Hello message
NO_EXPORT_SUBCONFED
8. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
PortFast
AAAA
Point-to-Point Protocol
224.0.0.5
9. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.
AutoQos
LSA flooding
DTR
Maxage timer (STP)
10. The 32-bit number used to represent an OSPF router.
Reply (EIGRP)
process switching
subnet ID
router ID
11. A type of OSPF packet used to exchange and acknowledge LSA headers. Sometimes called DBD.
PIM-SM
BGP decision process
Database Description
blocking state
12. In shaping and policing - commonly used to refer to the shaping or policing rate. For WAN services - a common reference to the bit rate defined in the WAN service business contract for each VC.
ACS
committed information rate
Graft Ack message
same-layer interaction
13. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.
Report Suppression mechanism
Multilayer Switching
DSSS
traffic contract
14. Layer x PDU.
static length subnet masking
MaxAge (OSPF)
administratively scoped addresses
LxPDU
15. With EIGRP - the timer used to determine when a neighboring router has failed - based on a router not receiving any EIGRP messages - including Hellos - in this timer period.
forwarding state
Hold timer
adaptive shaping
NEXT_HOP
16. Controls the distribution of multicast traffic for the private multicast address range 239.0.0.0 to 239.255.255.255 by configuring a filter and applying it on the interfaces.
administrative scoping
SSH
NO_ADVERT
Time to Live
17. Network Address Translation.
VLAN
NAT
Class-Based Marking
network layer reachability information
18. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.
split horizon
PQ
CWND
Network Time Protocol
19. Defined in RFC 826 - a protocol used on LANs so that an IP host can discover the MAC address of another device that is using a particular IP address.
Address Resolution Protocol
Holddown timer
multicast IP address range
LxPDU
20. An Internet standard authentication protocol that uses clear-text passwords and a two-way handshake to perform authentication over a PPP link.
window
Password Authentication Protocol
socket
prefix list
21. Time to Live.
TTL
map class
access link
static length subnet masking
22. Type of Service byte.
RTP
ToS byte
TDM hierarchy
WCCP cluster
23. Maximum Response Time.
shared distribution tree
MRT
MRTT
Layer x PDU
24. Each 802.11 station passively monitors each RF channel for a specific amount of time and listens for beacons. Stations use the signal strengths of found beacons to determine the access point or ad hoc network with which to attempt association.
public wireless LAN
passive scanning
BGP
distribution list
25. A method of obtaining an IPv6 address that uses DHCPv6. See also stateless autoconfiguration.
stateful autoconfiguration
BGP
DSL
FIB
26. Protocol Independent Multicast dense-mode routing protocol.
PIM-DM
full duplex
RTP
summary route
27. IP Control Protocol.
IPCP
socket
OAM
going active
28. The underlying algorithms associated with RIP.
distance vector
LSRefresh
Query (EIGRP)
EUI-64
29. Retransmission Timeout.
SCP
RTO
route reflector client
Spanning Tree Protocol
30. Controls the distribution of multicast traffic by checking the TTL values configured on the interfaces. It forwards the multicast packet only on those interfaces whose configured TTL value is less than or equal to the TTL value of the multicast packe
IOS Intrusion Prevention System (IPS)
LSR
TTL scoping
RITE
31. Provider router.
policing rate
P router
IP Control Protocol
Loop Guard
32. A Cisco-proprietary BGP feature. The administrative weight can be assigned to each NLRI and path locally on a router - impacting the local router's choice of the best BGP routes. The value cannot be communicated to another router.
administrative weight
PIM-SM (S -G) RP-bit Prune
receiver's advertised window
PHP
33. A convention for IP addresses in which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are ignored.
Outside Local address
SF
blocking state
Classless IP Addressing
34. The structure inside telcos' original digital circuit build-out in the mid-1900s - based upon using TDM to combine and disperse smaller DS levels into larger levels - and vice versa.
TDM hierarchy
direct sequence spread spectrum
T1
SPAN
35. A TCP variable used as the basis for a TCP sender's timer defining how long it should wait for a missing acknowledgement before resending the data.
DSSS
eBGP
Measured Round-Trip Time
conform
36. Defines a particular behavior for FTP regarding the establishment of TCP data connections. In passive mode - an FTP server uses the FTP PORT command - over the FTP control connection - to tell the FTP client the port on which the server will be liste
passive mode FTP
DSL
VLAN Trunking Protocol
Router Advertisement
37. A Cisco-proprietary Layer 2 protocol that enables a router to communicate to a switch which multicast group traffic the router does and does not want to receive from the switch.
rendezvous point
Router-Port Group Management Protocol
VRRP Master router
subnet zero
38. Router-Port Group Management Protocol.
RGMP
active mode FTP
Time Interval (Tc)
weighted round-robin
39. A term referring to the MQC service-policy command - which is used to enable a policy map on an interface.
service policy
PHB
quantum value
PHP
40. Port Address Translation.
Smoothed Round-Trip Time
PAT
adjacent-layer interaction
NA
41. The router in a VRRP group that is currently actively forwarding IP packets. Conceptually the same as an HSRP Active router.
edge LSR
disabled state
priority (OSPF)
VRRP Master router
42. High Density Binary 3.
HDB3
downstream router
Dead Time/Interval
Goodbye (EIGRP)
43. Clear To Send.
CTS
virtual LAN
AS_SEQUENCE
Inside Global address
44. Maximum Segment Size.
MSS
designated port
NO_ADVERT
SVC
45. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should forward the attribute unchanged (tran
optional transitive
Enhanced Local Management Interface
Bc
adjacent-layer interaction
46. A term referring to the MQC policy-map command and its related subcommands - which are used to apply QoS actions to classes of packets.
GRE
multicasting
policy map
fully adjacent (OSPF)
47. A BGP term referring to an IP prefix and prefix length.
LxPDU
spread spectrum
network layer reachability information
totally NSSA area
48. Sent by a PIM router to its upstream router to either request that the upstream router forward the group traffic or stop forwarding the group traffic that is currently being forwarded. If a PIM router wants to start receiving the group traffic - it l
Join/Prune message
Link Aggregation Control Protocol
DTIM interval
TKIP
49. The most significant bit in the most significant byte of an Ethernet MAC address - its value implies that the address is a unicast MAC address (binary 0) or not (binary 1).
access link
I/G bit
AMI
Smoothed Round-Trip Time
50. Provides dynamic inspection of traffic as it traverses the router. It uses Context-Based Access Control (CBAC) to look deeper into a packet than an access list can. It tracks outbound traffic and dynamically allows in responses to that traffic.
LSU
Classic IOS Firewall
AF
Graft Ack message