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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 BGP path attribute that lists ASNs through which the route has been advertised. The AS_PATH includes four types of segments: AS_SEQ - AS_SET - AS_CONFED_SEQ - and AS_CONFED_SET. Often - this term is used synonymously with AS_SEQ
ABR
request-to-send/clear-to-send
internal router (OSPF)
AS_PATH
2. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.
MRTT
power-save mode
enable password
LOS
3. Slow Start Threshold.
SSThresh
SSID
quartet
subnet
4. Switched virtual circuit.
EGP
Network Control Protocol
CIDR
SVC
5. 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.
Congestion Avoidance
Virtual Routing and Forwarding table
policy routing
Update (EIGRP)
6. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.
LOCAL_AS
MLP LFI
prefix
Maximum Segment Size
7. External BGP.
mark probability denominator
Spanning Tree Protocol
eBGP
Link Control Protocol
8. A switch feature that examines incoming frames - comparing the source IP and MAC addresses to the DHCP snooping binding database - filtering frames whose addresses are not listed in the database for the incoming interface.
IP Source Guard
CB Marking
poison reverse
root port
9. 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
TCP intercept
CIDR
WPA
IP Source Guard
10. The Cisco IOS feature by which special short key sequences can be used to move the cursor inside the current command line to more easily change a command.
enhanced editing
offset list
trunking
eBGP
11. Per-VLAN Spanning Tree Plus.
prefix list
I/G bit
PVST+
area (OSPF)
12. Aka receiver's advertised window.
Per-VLAN Spanning Tree Plus
multicast scoping
advertised window
fast switching
13. Frequency hopping spread spectrum.
single-rate - two-color policer
Network Based Application Recognition
Temporal Key Integrity Protocol
FHSS
14. An attack by which the attacker initiates many TCP connections to a server - but does not complete the TCP connections - by simply not sending the third segment normally used to establish the connection. The server may consume resources and reject ne
TCP SYN flood
broadcast address
Cisco Express Forwarding
PCM
15. With EIGRP - a route that is not a successor route - but that meets the feasibility condition; can be used when the successor route fails - without causing loops.
feasible successor
scheduler
SSH
offset list
16. A component of the IOS IP SLA feature. An IP SLA responder is a router configured to respond to a particular IP SLA message initiated by another router - allowing the routers to work together to provide performance information including UDP jitter an
Assert message
PIR
IP SLA responder
All OSPF DR Routers
17. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.
SSThresh
Ack (EIGRP)
inner label
LLQ
18. A category used by a policer to classify packets relative to the traffic contract. With two-color policers - these packets are considered to be above the contract; for three-color - these packets are above the Bc setting - but within the Be setting.
exceed
WCCP
ND
designated router (OSPF)
19. An exterior routing protocol that predates BGP. It is no longer used today.
MRT
Time to Live
Data Carrier Detect
Exterior Gateway Protocol
20. With EIGRP - for a particular route - the case in which the RD is lower than the FD.
route reflector non-client
DD
feasibility condition
EGP
21. Authentication - authorization - and accounting.
Layer 2 protocol tunneling
classless interdomain routing
AAA
Ack (EIGRP)
22. 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.
committed information rate
violate category
Source-Specific Multicast (SSM)
VLAN Trunking Protocol
23. With EIGRP - the metric (distance) of a route as reported by a neighboring router.
Cisco Express Forwarding
reported distance
DAI
administrative scoping
24. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
Excess
Alternate state
All OSPF DR Routers
Layer 2 payload compression
25. An IP variable that defines the largest size allowed in an IP packet - including the IP header. IP hosts must support an MTU of at least 576 bytes.
subnet broadcast address
maximum transmission unit
ACS
Hello timer
26. An MPLS LSR that can forward and receive both labeled and unlabeled packets.
Source-Specific Multicast (SSM)
edge LSR
DD
AS number
27. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local AS.
NO_EXPORT
Maximum Response Time
split horizon
Zone-based IOS firewall
28. Similar to an appliance firewall - in that interfaces are placed into security zones. Traffic is allowed between interfaces in the same zone. You can apply policies to filter and control traffic between zones.
HSRP
ESF
WTD
Zone-based IOS firewall
29. A multicast routing protocol that operates in dense mode and depends on the OSPF unicast routing protocol to perform its multicast functions.
Multicast Open Shortest Path First
SVC
Reverse ARP
multicast
30. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.
switched virtual circuit
Feasible Distance
prefix
Dynamic ARP Inspection
31. IP Control Protocol.
224.0.0.6
Dynamic Multipoint VPN
FRF.5
IPCP
32. Policing in which a single rate is metered - and packets are placed into one of two categories (conform or exceed).
single-rate - two-color policer
ROMMON
provider router
MPLS unicast
33. An intrusion detection system that safeguards the wireless LAN from malicious and unauthorized access.
shortest-path tree switchover
Wireless LAN Threat Defense Solution
Graft Ack message
gateway of last resort
34. Defined in IEEE 802.1w - a specification to enhance the 802.1d standard to improve the speed of STP convergence.
multicasting
Rapid Spanning Tree Protocol
input event
distribution list
35. 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.
request-to-send/clear-to-send
authentication server
SPF algorithm
enable secret
36. 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
Rapid Spanning Tree Protocol
CGMP
ForeSight
Message Digest 5
37. The PDU used by a particular layer of a networking model - with x defining the layer.
joining a group
outer label
Layer x PDU
TCP header compression
38. An MQC-based feature of IOS that is used to classify and mark packets for QoS purposes.
AGGREGATOR
Feasible Distance
Forward Explicit Congestion Notification
Class-Based Marking
39. A Cisco IOS queuing tool most notable for its reservation of a minimum bandwidth for each queue.
Frame Relay LFI Using Multilink PPP (MLP)
control plane
custom queuing
Gateway Load Balancing Protocol
40. Time-division multiplexing.
CTS
TDM
designated port
enhanced editing
41. With OSPF - the OSPF router that wins an election amongst all current neighbors. The DR is responsible for flooding on the subnet - and for creating and flooding the type 2 LSA for the subnet.
designated router (OSPF)
DHCP
window
well-known mandatory
42. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
AES
GLBP
wireless LAN controller
spread spectrum
43. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - but BGP Updates can either include the attribute or not depending on whether a related feature has been configured (d
ELMI
LACP
Response (SNMP)
well-known discretionary
44. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
Maxage timer (STP)
inspection rule
RTS
classless interdomain routing
45. The process by which neighboring OSPF routers examine their Hello messages and elect the DR. The decision is based on priority (highest) - or RID (highest) if priority is a tie.
Network Address Translation
DR election (OSPF)
PQ
direct sequence spread spectrum
46. 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.
confederation
active mode FTP
exceed
adjacent-layer interaction
47. When multiple routers are connected to a subnet - only one should be sending IGMP queries. It is called a querier. IGMPv1 does not have any rules for electing a querier. In IGMPv2 and IGMPv3 - a router with the lowest interface IP address on the subn
All OSPF Routers
confederation eBGP peer
OOF
querier election
48. The practice of defining boundaries that determine how far multicast traffic will travel in your network.
Forwarding Information Base
MPLS Experimental (EXP)
QoS pre-classification
multicast scoping
49. A term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.
CDP Control Protocol
active scanning
port security
expedite queue
50. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.
data terminal equipment
DSCP-to-CoS map
static length subnet masking
minimum CIR