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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. A Cisco IOS queuing tool most notable for its scheduler - which always services the high-priority queue over all other queues.
TCP intercept
single-rate - three-color policer
FRF.9
priority queuing
2. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Slow Start grows CWND at an exponential rate.
Slow Start
B8ZS
Context-Based Access Control
inspection rule
3. An MPLS data structure used for forwarding labeled packets. The LFIB lists the incoming label - which is compared to the incoming packet's label - along with forwarding instructions for the packet.
Label Forwarding Information Base
encoding
SRR
AS number
4. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.
DR
isolated VLAN
Cisco Group Management Protocol
adjacent-layer interaction
5. A Cisco-proprietary feature. After a Cisco multicast router receives IGMP Join or Leave messages from hosts - it communicates to the connected Cisco switches - telling them which hosts (based on their unicast MAC addresses) have joined or left each m
SSThresh
Cisco Group Management Protocol
confederation ASN
access link
6. An Internet standard authentication protocol that uses clear-text passwords and a two-way handshake to perform authentication over a PPP link.
dual stack
established
feasibility condition
Password Authentication Protocol
7. Customer edge.
CE
SSThresh
RARP
LSP
8. With Spanning Tree Protocol - the single port on each LAN segment from which the best Hello BPDU is forwarded.
RMON event
encoding
Class-Based Weighted Fair Queuing
designated port
9. Hot Standby Router Protocol.
Prune Override
MSS
MD5 hash
HSRP
10. In the context of SNMP - the Set command is sent by an SNMP manager - to an agent - requesting that the agent set a single identified variable to the stated value. The main purpose is to allow remote configuration and remote operation - such as shutt
Multicast Open Shortest Path First
Yellow Alarm
multicast
Set (SNMP)
11. A BGP process by which a router reapplies routing policy configuration (route maps - filters - and the like) based on stored copies of sent and received BGP Updates.
soft reconfiguration
frequency hopping spread spectrum
enhanced editing
NTP broadcast client
12. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
Digital Signal Level 0
802.11g
PE
designated router (PIM)
13. A 3-bit field in the first 3 bits of the ToS byte in the IP header - used for QoS marking.
flash updates
IP Precedence
stateful autoconfiguration
unicast MAC address
14. Provider router.
P router
BECN
Service Interworking
weighted random early detection
15. Feasible distance.
local computation
FD
neighbor (EIGRP)
Message Digest 5
16. The ASN assigned to a confederation sub-AS.
confederation ASN
multicast state information
BackboneFast
MIB-I
17. A mechanism that counters collisions caused by hidden nodes. If enabled - the station or access point must first send an RTS frame and receive a CTS frame before sending each data frame.
optional transitive
ND
request-to-send/clear-to-send
well-known discretionary
18. Cisco Group Management Protocol.
CGMP
LLQ
PPP
Loop Guard
19. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.
RMON collector
Maximum Response Time
stateless autoconfiguration
transmit power
20. The list of entries learned by the switch DHCP snooping feature. The entries include the MAC address used as the device's DHCP client address - the assigned IP address - the VLAN - and the switch port on which the DHCP assignment messages flowed.
path attribute
Exterior Gateway Protocol
DHCP snooping binding database
IP PBX
21. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.
MPLS VPNs
Wi-Fi Protected Access
trunking
alternate mode
22. Neighbor Advertisement.
NA
distance vector
Dynamic ARP Inspection
active (EIGRP)
23. On a multiaccess network - when a PIM-DM or PIM-SM router receives a Prune message - it starts a 3-second timer. If it receives a Join message on the multiaccess network from another router before the timer expires - it considers the message as an ov
FT
Prune Override
encapsulation replication
IP SLA
24. A method of applying a mathematical formula - with input including a private key - the message contents - and sometimes a shared text string - with the resulting digest being included with the message. The sender and the receiver perform the same mat
MD5
Yellow Alarm
QV
Message Digest 5
25. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
AS_PATH length
All OSPF Routers
distribution list
Congestion Avoidance
26. A Cisco router feature in which the router works to prevent SYN attacks either by monitoring TCP connections flowing through the router - or by actively terminating TCP connection until the TCP connection is established and then knitting the client-s
Discard Eligible
provider edge
FRF.11-c
TCP intercept
27. An EIGRP message that informs neighbors about routing information. Update messages require an Ack.
penultimate hop popping (PHP)
mark probability denominator
TCP intercept
Update (EIGRP)
28. Forwarding Equivalence Class.
DHCP snooping binding database
Enhanced Local Management Interface
priority queue
FEC
29. Also called VLAN trunking - a method (using either the Cisco ISL protocol or the IEEE 802.1Q protocol) to support carrying traffic between switches for multiple VLANs that have members on more than one switch.
RT
trunking
authentication - authorization - and accounting
SNMP agent
30. This term has two BGP-related definitions. First - it is the normal process in which a router - before sending an Update to an eBGP peer - adds its local ASN to the beginning of the AS_PATH path attribute. Second - it is the routing policy of purpose
AS_PATH prepending
Multicast Source Discovery Protocol (MSDP)
FIB
feasible successor
31. A type of IPv4 and IPv6 traffic designed primarily to provide one-to-many connectivity but unlike broadcast - has the capability to control the scope of traffic distribution.
multicast
Wireless LAN Threat Defense Solution
MDRR
FT
32. An optional nontransitive BGP path attribute that lists the route reflector cluster IDs through which a route has been advertised - as part of a loop-prevention process similar to the AS_PATH attribute.
beacon
MLP LFI
CLUSTER_LIST
NTP symmetric active mode
33. Prefix list.
Bipolar 8 Zero Substitution
IP prefix list
variable-length subnet masking
ND
34. Part of the Cisco IOS Firewall feature set - CBAC inspects traffic using information in the higher-layer protocols being carried to decide whether to open the firewall to specific inbound traffic. CBAC supports both UDP and TCP and multiple higher-la
Context-Based Access Control
CBWFQ
no drop
Loop Guard
35. Retransmission Timeout.
token bucket
weight (BGP)
RTO
Context-Based Access Control
36. Out of Frame.
SNMP manager
IGMPv3 Host Membership Query
OOF
successor route
37. With routing protocols - the measurement of favorability that determines which entry will be installed in a routing table if more than one router is advertising that exact network and mask.
provider edge
EGP
metric
pulse code modulation
38. Variable name for the time interval used by shapers and by CAR.
Tc
Time Interval (Tc)
DS1
orthogonal frequency division multiplexing
39. Cisco-proprietary VLAN trunking protocol.
Inter-Switch Link
DS field
Tc
VLAN
40. A Cisco IOS interface setting - as a percentage between 1 and 99 - that defines how much of the interface's bandwidth setting may be allocated by a queuing tool. The default value is 75 percent.
maximum reserved bandwidth
subnet
Reliable Transport Protocol
PCM
41. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
maximum transmission unit
Rapid Per-VLAN Spanning Tree Plus
policing rate
Per-Hop Behavior
42. An intrusion detection system that safeguards the wireless LAN from malicious and unauthorized access.
Wireless LAN Threat Defense Solution
IGMPv3 Host Membership Report
PHB
ingress PE
43. 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).
MRT
I/G bit
receiver's advertised window
Per-VLAN Spanning Tree Plus
44. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.
Enhanced Local Management Interface
remaining bandwidth
Address Resolution Protocol
distributed coordination function
45. Digital Signal Level 1.
I/G bit
DS1
RITE
DROther
46. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.
Label Switch Router
CSMA/CD
Link Control Protocol
protocol data unit
47. Class Selector.
advertised window
T1
WTD
CS
48. An IPv6/IPv4 tunneling method that allows isolated IPv6 domains to be connected over an IPv4 network.
6to4
WCCP
ROMMON
Be
49. WRED compares this setting to the average queue depth to decide whether packets should be discarded. No packets are discarded if the average queue depth falls below this minimum threshold.
Assured Forwarding
802.11g
PVST+
minimum threshold
50. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.
MPD
Network Time Protocol
DS field
multicast MAC address