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Exam Review

Key Facts: CCIE Collaboration Exam

~30%

Lab Pass Rate

Industry estimate

$150K+

Avg Salary

Industry surveys

120 min

Written Exam

Cisco

8 hours

Lab Exam

Cisco

$2,050

Total Exam Fees

Cisco

3 years

Cert Valid

Cisco

CCIE Collaboration is Cisco's highest collaboration certification. The written exam (350-801 CLCOR) covers 90-110 questions in 120 minutes with scaled scoring. The 8-hour lab exam tests hands-on configuration and troubleshooting. CCIE holders average $150,000+ salary. Pass rates for the lab exam are estimated at ~30%.

Sample CCIE Collaboration Practice Questions

Try these sample questions to review concepts for the CCIE Collaboration exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In Cisco Unified Communications Manager, what is the purpose of a Route Pattern?
A.To define IP network routes for data traffic
B.To match dialed digit strings and route calls to appropriate destinations
C.To configure QoS markings on voice packets
D.To establish SIP trunk failover paths
Explanation: A Route Pattern in CUCM matches dialed digit strings against configured patterns to determine how calls should be routed. When a user dials a number, CUCM evaluates the digits against route patterns to find the best match, then forwards the call to the associated route list, gateway, or trunk. This is a foundational element of the CUCM dial plan.
2What protocol does Cisco IP phones use to register with CUCM by default?
A.H.323
B.SIP
C.SCCP (Skinny)
D.MGCP
Explanation: Cisco IP phones traditionally use SCCP (Skinny Client Control Protocol) for registration with CUCM. While SIP is also supported and increasingly common, SCCP remains the default protocol for many Cisco IP phone models. SCCP is a Cisco-proprietary signaling protocol that provides tight integration with CUCM features.
3Which Expressway role handles calls from external endpoints trying to reach internal CUCM-registered devices?
A.Expressway-C (Core)
B.Expressway-E (Edge)
C.Expressway-B (Border)
D.Expressway-M (Media)
Explanation: Expressway-E (Edge) is deployed in the DMZ and handles connections from external endpoints. It works in conjunction with Expressway-C (Core), which resides inside the firewall and communicates with CUCM. External calls traverse Expressway-E first, which then forwards them to Expressway-C for routing to internal devices.
4What is the primary function of a SIP INVITE message?
A.To terminate an existing SIP session
B.To register a SIP endpoint with a registrar
C.To initiate a new SIP session or dialog
D.To acknowledge a provisional response
Explanation: The SIP INVITE message is used to initiate a new session (call) between SIP endpoints. It contains the Session Description Protocol (SDP) offer describing the media capabilities of the caller. The receiving endpoint responds with SDP answer in the 200 OK message, completing the offer-answer exchange needed to establish the media session.
5Which codec is most commonly used for high-quality voice over IP in Cisco collaboration environments?
A.G.711
B.G.729
C.G.722
D.iLBC
Explanation: G.711 is the most commonly used codec for high-quality VoIP, providing toll-quality audio at 64 kbps. It comes in two variants: u-law (used in North America) and a-law (used internationally). While G.729 provides compression for bandwidth savings, G.711 is preferred when bandwidth is sufficient due to its superior voice quality and lower processing requirements.
6In CUCM, what is a Calling Search Space (CSS) used for?
A.To define which numbers an endpoint can dial
B.To search for available call agents
C.To configure LDAP directory lookups
D.To determine codec negotiation preferences
Explanation: A Calling Search Space (CSS) defines which destinations (partitions) an endpoint or feature is allowed to reach. It is an ordered list of Route Partitions that determines what numbers a device or line can dial. CSS and partition work together to form the call admission control mechanism in CUCM, enabling restriction of dialing privileges by user, device, or location.
7What is the default port used by H.323 RAS (Registration, Admission, and Status) signaling?
A.TCP 1720
B.UDP 1719
C.TCP 5060
D.UDP 5060
Explanation: H.323 RAS signaling uses UDP port 1719 by default. RAS messages handle endpoint registration, admission requests, bandwidth management, and status inquiries between H.323 endpoints and a gatekeeper. TCP port 1720 is used for H.225 call signaling, while ports 5060/5061 are associated with SIP.
8Which Webex component provides the cloud-based meeting infrastructure?
A.Webex App Hub
B.Webex Control Hub
C.Webex Meetings Server
D.Webex Cloud
Explanation: Webex Cloud provides the cloud-based meeting infrastructure that powers Webex Meetings, Webex Calling, and messaging services. Webex Control Hub is the administration portal for managing users and settings. The Webex Cloud handles media processing, recording, and global distribution of meeting traffic through its worldwide data centers.
9What technology does Cisco Expressway use to enable firewall traversal for video and voice traffic?
A.STUN/TURN only
B.Assent and H.460.18/19
C.Port forwarding with static NAT
D.IPsec VPN tunnels
Explanation: Cisco Expressway uses Assent (for SIP) and H.460.18/19 (for H.323) protocols to enable firewall traversal without requiring special firewall configuration. These protocols allow the Expressway-C and Expressway-E traversal pair to create secure channels through firewalls, eliminating the need for large ranges of open ports or VPN tunnels.
10In Cisco video conferencing, what is the role of a Multipoint Control Unit (MCU)?
A.To convert analog signals to digital
B.To bridge multiple video endpoints into a single conference
C.To provide PSTN gateway services
D.To manage bandwidth allocation for WAN links
Explanation: A Multipoint Control Unit (MCU) bridges multiple video endpoints together into a single conference session. The MCU receives media streams from all participants, processes them (mixing audio and composing video layouts), and sends the combined streams back. In modern Cisco environments, MCU functionality is provided by Cisco Meeting Server (CMS) or Webex cloud services.

About the CCIE Collaboration Exam

The CCIE Collaboration certification validates expert-level skills in designing, deploying, and troubleshooting Cisco collaboration solutions including CUCM, Expressway, Webex, SIP/H.323 signaling, voice gateways, and video infrastructure.

Exam sponsor: Cisco Systems / Pearson VUE. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

100 questions

Time Limit

120 minutes

Passing Score

Varies (scaled)

Exam / Certification Fees

$450 (written) + $1,600 (lab)

Exam sponsor website

Reported exam pass rate: ~30%. industry estimate for lab exam This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

CUCM & Call Control

CUCM administration, dial plans, CSS/partitions, device pools, ILS, globalized routing

20%

Expressway & Edge Services

Expressway traversal pairs, MRA, B2B calling, firewall traversal, TURN/ICE

20%

Webex & Cloud Services

Webex Calling, hybrid connectors, Edge Audio, Control Hub, OBTP

20%

Voice Gateways & Protocols

SIP, H.323, MGCP, dial peers, CUBE, codecs, DTMF relay, SRTP

20%

Video & Conferencing

CMS, TelePresence, MCU, video resolution, QoS for voice/video

Preparing for the CCIE Collaboration Exam

What You Need to Know

  • Passing score: Varies (scaled)
  • Exam length: 100 questions
  • Time limit: 120 minutes
  • Exam / certification fees: $450 (written) + $1,600 (lab) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

CCIE Collaboration: Suggested Study Strategy

1Focus on CUCM dial plan design — CSS, partitions, route patterns, and globalized routing are heavily tested
2Build a home lab or use Cisco dCloud for hands-on Expressway traversal pair configuration
3Master SIP signaling flow: INVITE, 100 Trying, 180 Ringing, 200 OK, ACK, BYE
4Understand CUBE configuration for SIP trunk interworking and DTMF relay methods
5Practice Webex hybrid service connector deployment and Control Hub administration

Frequently Asked Questions

What is the CCIE Collaboration certification?

CCIE Collaboration is Cisco's expert-level certification for collaboration technologies. It consists of a written exam (350-801 CLCOR) and an 8-hour hands-on lab exam covering CUCM, Expressway, Webex, voice gateways, and video infrastructure.

How difficult is the CCIE Collaboration exam?

CCIE is the highest Cisco certification level. The lab exam has an estimated 30% pass rate. Most candidates study 500-1000+ hours and have 5-7 years of collaboration experience before attempting. The written exam alone requires deep knowledge of all collaboration technologies.

What is the CCIE Collaboration salary?

CCIE Collaboration holders typically earn $130,000-$180,000+ annually. The certification commands a significant premium due to its difficulty and the specialized expertise it validates.

How long does it take to prepare for CCIE Collaboration?

Most candidates spend 12-24 months preparing, combining study with hands-on lab practice. The written exam requires 200-400 hours, and lab preparation adds another 300-600+ hours of practice.