Optimize the Solution
HPE6-A85 · 16 questions
- A hospital's network team plans to open a new outpatient annex in three months and wants to tune the existing main campus WLAN for better performance beforehand. Before changing any RF or QoS settings, the team spends a week capturing coverage, throughput, and roaming data across the current wards. Why is capturing this data before making any changes the right first step?
- While baselining a medical-surgical ward's WLAN before an optimization pass, a technician records signal strength at fixed points, but does not capture retransmission rates, roaming times between APs, or channel utilization. A colleague reviewing the plan flags this as incomplete. Why is signal strength alone an insufficient baseline for judging WLAN performance?
- After tuning transmit power and enabling band steering in a hospital's imaging suite corridor, the network team pulls a new coverage and roaming report and lays it side by side with the pre-change baseline. Roaming time between APs has dropped and 5 GHz client association has increased, but overall coverage area at the weakest points is roughly unchanged. What should the team conclude from this comparison?
- In a hospital lobby with mixed dual-band and older single-band devices, the wireless team enables band steering to encourage capable clients onto the 5 GHz band. A staff member later asks why some older handheld scanners still connect on 2.4 GHz even with the feature turned on. What is the best explanation?
- A wireless team considers disabling the lowest 802.11 data rates (such as 1 and 2 Mbps) on APs serving a large hospital atrium where many devices roam constantly. What is the main trade-off they are accepting by doing this?
- A busy nursing station area has a mix of newer 802.11ax laptops and older 802.11n tablets sharing the same AP. Staff notice that when the older tablets are active, the newer laptops feel noticeably slower even though signal strength is good for both. Enabling an airtime fairness feature on the AP is intended to address which specific problem?
- During optimization of a clinic wing with APs spaced closely together to support high device density, the team notices that many neighboring APs are assigned the same 5 GHz channel. Devices report frequent contention and slower-than-expected throughput even though signal strength is strong everywhere. What is the most likely cause, and the correct optimization response?
- To support a high density of biomedical devices in a small clinic wing, the wireless team decides to reduce transmit power on several APs rather than leave them at maximum. What is the primary optimization goal of intentionally shrinking each AP's coverage cell in this way?
- A clinic wing was deployed with unusually high AP density to handle a large number of biomedical devices, but staff report that phones and tablets frequently re-associate to a new AP even while standing still in one exam room. Reviewing the RF settings, the team finds transmit power set very low and cell sizes very small in this area. What optimization adjustment best addresses the sticky, over-frequent roaming without abandoning the high-density design?
- On a medical-surgical ward, wireless connectivity works everywhere and no outages are reported, but nurses pushing workstations-on-wheels down the hallway notice a brief pause each time their device switches access points. The network already has appropriate channel and power settings. Which optimization best addresses this specific complaint?
- A hospital's nurse-call system and Wi-Fi handset traffic for care staff share the same wired access-layer switches as general workstation traffic. During optimization, the team wants to make sure nurse-call and voice traffic get consistent priority during busy periods even though nothing is currently failing. What is the correct best-practice approach?
- A wiring closet on a busy hospital floor has several access switches uplinked to the distribution switch over a single gigabit link each, and the team observes that the uplink is regularly the busiest point in the path during peak hours, even though individual access ports are lightly used. What is the appropriate LAN optimization to relieve this specific bottleneck?
- An access switch trunk uplink in an older hospital wing carries every VLAN configured anywhere on the campus, even though the switch only has devices belonging to two of those VLANs connected to it. During LAN optimization, the team prunes the trunk to allow only the VLANs actually needed on that switch. What is the main benefit of this change?
- A hospital wing broadcasts six separate SSIDs from every AP — one each for staff, guest, biomedical devices, nurse-call handsets, contractors, and a legacy testing network that is rarely used anymore. During optimization, the team proposes retiring the unused testing SSID and consolidating some others. What is the main WLAN benefit of reducing the number of SSIDs broadcast per AP?
- After completing a round of WLAN optimization in a hospital ward, a technician wants to prove the changes were worthwhile before reporting results to the network manager. The technician has both the original baseline and new post-change measurements for coverage, retransmission rate, and average roaming time. Which comparison approach best demonstrates whether the optimization actually helped?
- A hospital's WLAN carries VoIP calls for on-call physicians alongside general web browsing on the same SSID, and staff report choppy, dropped-sounding calls specifically during peak browsing hours. The team wants voice traffic to get priority over bulk web traffic on that shared airtime. What is the correct approach?