What is the difference between HCIA-Datacom and HCIP-Datacom?
HCIA-Datacom is the associate level: one written exam (H12-811) covering foundational routing, switching, WLAN, security, and SDN basics, priced at 200 USD. HCIP-Datacom is the professional level: two written exams - the H12-821 core plus one sub-direction elective - covering the same territory at configuration and design depth, priced at 300 USD plus 180 USD for the Advanced Routing & Switching pair. Both use 90-minute sittings and a 600-of-1000 scaled pass bar, both are valid three years, and passing the professional core also renews an expiring associate credential.
The Numbers Side by Side
The headline structure comes straight from Huawei's documents. The associate credential is a single 90-minute sitting; the professional credential is a pair of 90-minute sittings whose order is not required and whose core is not repeated within its validity. Huawei prices the H12-811 at 200 USD in its official V1.0 outline, and the exam-outline document family prices the H12-821 core at 300 USD and the H12-831 elective at 180 USD - confirmed at scheduling, since Pearson's voucher store prices by region.
The question-count honesty applies at both levels: Huawei publishes no item count for the H12-811, and none for the H12-821 or H12-831 either. What the professional level adds in published format is the five question formats - single-answer, multiple-answer, true-or-false, short-response, and drag-and-drop items - listed by Huawei's authorized training channel for both HCIP exams.
| HCIA-Datacom | HCIP-Datacom (Advanced R&S) | |
|---|---|---|
| Level | Associate | Professional |
| Exams required | 1 (H12-811) | 2 (H12-821 core + H12-831) |
| Duration | 90 minutes | 90 minutes per exam |
| Pass score | 600/1000 | 600/1000 per exam |
| Fee anchors | US$200 | US$300 + US$180 |
| Languages | ENU/CHS | Written exam, five question formats |
| Validity | 3 years | 3 years |
| Delivery | Pearson VUE center or OnVUE | Pearson VUE center or OnVUE |
Scroll horizontally to view all columns.
What the Professional Level Actually Adds
The HCIA blueprint is breadth: ten weighted domains from TCP/IP basics through OSPF principles, Ethernet switching with STP/RSTP/VLAN, security and NAT, WLAN basics, WAN basics, and SDN and automation concepts - the top two domains (Ethernet switching at 28% and IP network construction at 27%) are foundational implementation topics.
The HCIP core takes the same territory to configuration depth: OSPF special areas and summarization, IS-IS, BGP path attributes, route reflectors, route selection and BGP EVPN basics, routing policy with PBR and MQC, RSTP/MSTP/stack, multicast, IPv6 with NDP and DHCPv6, Huawei firewall technology, BFD and VRRP reliability, and the enterprise solution overview. The H12-831 elective then goes operational: BGP filters written with regular expressions, MPLS VPN deployment, structured troubleshooting method, and network migration procedure. If the associate exam asks whether you know what OSPF is, the professional pair asks whether you can run it.
The prerequisite chain says it plainly: Huawei's authorized course pages list the HCIA-Datacom knowledge set as the prerequisite for the core course, and the core course as the prerequisite for the elective. The levels are a ladder, not alternatives.
Which Level Fits Your Situation
Stay at the HCIA if you are entering a Huawei estate or need the entry credential for an employer checklist - one 200 USD sitting, foundational scope, and it renews by passing anything at the same or higher level later. Move to the HCIP if you configure or design on Huawei routers and switches professionally, if a role asks for the professional credential by name, or if your HCIA is aging and the renewal path should also advance your evidence - passing the H12-821 core renews the associate validity while building toward the pair.
The budget and scheduling rules are shared: Pearson VUE test centers or OnVUE from home for candidates residing outside China mainland, the 24-hour reschedule-or-forfeit boundary on every appointment, two matching original photo IDs at check-in, the official retake rule of at least 7 calendar days after a failed exam and 30 after a passed one, and three-year validity on both credentials. Whichever level you are sitting, the delivery playbook is identical.
Get Either Level Handled
Whether you are sitting the single H12-811 or the H12-821 plus H12-831 pair, Exam Assist handles the proctored sittings end to end - eligibility checked against the residency rule, scheduling on the right route, the sitting itself, and the pass confirmed against Huawei's one-working-day e-Cert notification. The service fee is due only after the agreed result posts, and there is no fee to hear the feasibility answer. Start with the HCIA-Datacom or HCIP-Datacom service page, or send your background, target level, and deadline through the booking form for a straight answer on feasibility and route.